In order to avoid boredom, the most important thing is to keep oneself  ................

Read and choose the appropriate option: 
WHY DO ANIMALS GO EXTINCT? Different kinds of animals have appeared and disappeared throughout Earth’s history. Some animals go extinct because the climate (41)_______ they live changes. The climate may become wetter or drier. It may become warmer or cooler. If the animals cannot change, or adapt, to the new climate, they die. Some animals go extinct because thay cannot (42) _______ with other animals for food. Some animals go extinct because they are killed by enemies. New kinds of animals are always evolving. Evolving means that the animals are changing (43) _______ from generation to generation. Small differences between parents, children, and grandchildren slowly add up over many, many generations. Eventually, a different kind of animal evolves. [evolve: tiến hóa] Sometimes many of the animals on Earth go extinct at the (44) _______ time. Scientists call this a mass extinction. Scientists think there (45) _______ at least five mass extinctions in Earth’s history. The last mass extinction happened about 65 million years ago. This mass extinction killed off the dinosaurs.
(41)..........................

The Games really became a festival that impressed sports ....................

Most developing countries are in  ............. of capital and technical assistance.

He was an  .............  writer because he persuaded many people to see the truth of his idea.

Choose the best answer:

Mary and her younger sister have many ........................

A Committee was set up under the ________ of Edmund Compton. 

The word "plummet"  is closest in meaning to ____.

Chọn từ đồng nghĩa với từ được gạch chân trong câu dưới đây:

Humans depend on species diversity to provide food, clean air and water, and fertile soil for agriculture.

Henry was a studious student. He needed no .................... to work hard.

Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions:

These were the people who advocated using force to stop school violence.

Indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.

At the moment it is difficult to assess the extent of the damage that his company has caused to the environment.

Choose the correct response to each of the following exchanges. " Can I leave a message to Jim?" -"________"

Choose the best answer:
I don’t think she can get her message _______ to the students. She seems too nervous.

Choose the best answer:

The old man has saved a lot of money for his ..................... 

He has refused, but he _________ change his mind if you asked him again

Choose the part that needs correcting in each of the questions below

Nick has (A)been working (B)more harder since he (C)was (D)promoted.

. __________ you have thought about where you are at now and where you want to be, you can work on getting to know your skills, interests and values.

Choose the best answer:

Going swimming in the summer is very interesting, .............it?

Two parents are talking with each other about their teenage daughter:
- The husband: “________________.”

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined bold word(s) in each of the following questions: 

There was a long period without rain in the countryside last year so the harvest was poor.