Although insects are harmful to plants, their existance contributes a great part to_____which helps to make a balanced environment.

Read the following passage and choose the best answer for each blank.

In school boys and girls study math. Counting, adding, subtracting, multiplying, and dividing are parts of (81)______what they learn. Schools teach (82) ______because it plays (83)______ an important part in our lives. How could we do such things (84)______ figure time, make a change, build houses, or even keep score for a game without knowing (85)______ numbers? Simple (86)______with numbers, or arithmetic, is one branch of mathematics. Among the many (87)______ branches are geometry, algebra, trigonometry, and calculus. Mathematics has grown (88)______  the need for it has grown. Geometry has to (89) ______mostly with form – with (90)______ things angles, triangles, circles, and spheres. Algebra is a sort of mathematical (91)______. By using algebra we can state many mathematical ideas with just (92) ______letters and signs. If we want to say, for example, (93)_______ in any circles the (94)______ is twice the radius we can write: D = 2r. Gradually other branches of mathematics (95)______ added. Mathematics today (96) of great use to (97) ______other sciences. Mathematics, however, is much more than a tool. It is a way of thinking – of drawing conclusions (98)_______ facts. One (99)________advance in mathematics is the building of great electronic computers or calculating machines. In a few seconds, a computer can (100)________ problems that might take a man years to solve alone.

96_______________

Choose the best answer to fill in the blank.

Later on, Beethoven became an assistant organist, _______ also played viola for a famous orchestra.

Choose the underlined word or phrase (A, B, C or D) that needs correcting.

There were (A) very interesting (B) news on (C) the radio this morning about (D) the earthquake in Japan.

Choose the best answer:    

This school _____ ten years ago.

Choose the best answer:

I want to go to the __________ high school to learn about farming method.

_________in most villages in Vietnam nowadays are widened.

The number of people out of work_________to nearly 3 million.

Choose the word or phrase (a, b, c or d) that best fits the blank space in each sentence.

She _____ this new word in the dictionary to make sure that she could pronounce it correctly.

Choose the word or phrase (a, b, c or d) that best fits the blank space in each sentence.

When she came_____ , she found herself in a hospital.

Choose the best option to complete each sentence. Write either A, B, c, or D in the box for the answer.

After his long absence from school he found it difficult to_____________ up with the rest of his class.

What ___________the boss in the first company you worked for like?

- Oh, he was very kind.

Choose the best answer:

The new stadium, __________ will be completed next year, will seat 30,000 spectators.

Read the following passage and choose the best answer for each blank.

In school boys and girls study math. Counting, adding, subtracting, multiplying, and dividing are parts of (81)______what they learn. Schools teach (82) ______because it plays (83)______ an important part in our lives. How could we do such things (84)______ figure time, make a change, build houses, or even keep score for a game without knowing (85)______ numbers? Simple (86)______with numbers, or arithmetic, is one branch of mathematics. Among the many (87)______ branches are geometry, algebra, trigonometry, and calculus. Mathematics has grown (88)______  the need for it has grown. Geometry has to (89) ______mostly with form – with (90)______ things angles, triangles, circles, and spheres. Algebra is a sort of mathematical (91)______. By using algebra we can state many mathematical ideas with just (92) ______letters and signs. If we want to say, for example, (93)_______ in any circles the (94)______ is twice the radius we can write: D = 2r. Gradually other branches of mathematics (95)______ added. Mathematics today (96) of great use to (97) ______other sciences. Mathematics, however, is much more than a tool. It is a way of thinking – of drawing conclusions (98)_______ facts. One (99)________advance in mathematics is the building of great electronic computers or calculating machines. In a few seconds, a computer can (100)________ problems that might take a man years to solve alone.

83___________

Each of the following sentences has one mistake. Identify the mistake by writing the corresponding letter A, B, C, or D on your answer sheet.

The harder you learn,(A)  the most (B) knowledge (C) you get.(D) 

Choose the best answer: 
.............longer in the future thanks to medical tech?

Choose the best answer to complete each sentence.

If I were you, I ______your partners.

Choose the bold word or phrase (A, B, C, or D) that needs correcting.

We are going to (A) take a two-days (B) trip to the (C) mountains (D).

Underline the mistake in the following sentences. There is one mistake in each sentence.

The film star, with his friends, are going to the party tonight.

Choose a word or phrase in each sentence that needs correcting.

I’m not often traveling (A)  by air (B) because the cost of flying (C) is (D) very high.

iết dạng đúng của các từ trong ngoặc để hoàn thành các câu sau.

The machine stopped working due to…………fault. (ELECTRICITY)