The steam engine is usually thought of as a relative modern invention, but the Greeks built a kind of steam engine in ancient times.

You can’t open the door __  you know the code.

As the MESA lowered into  position with its load of equipment for lunar prospecting, a seven-pound Westinghouse TV camera mounted atop the load began shooting black-and-white _______. 

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions:

17. At the end of the day the shopkeeper walked to the bank, carried the day’s_________in a special bag.

Jane: "How do I sign up for the psychology course?"

Phili: “________________.”

Choose the best alternative that can complete the sentence

Cross-cultural misunderstandings with classmates, professors and others ______.

The Solar System is (1) _______ the Sun and eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.
The first four planets are (2) _______ terrestrial planets because they are rocky. They are smaller and denser than the outer planets. They contain a high amount of metals and they have (3) _______ gas than the outer planets. Mercury has (4) _______ atmosphere, but Venus, Earth and Mars have atmospheres of varying thicknesses. Their (5) _______ is slower and their orbits are closer together.
The outer four planets are known as gas giants. They are also known as Jovian planets, (6) _______ the planet Jupiter because of their gigantic Jupiter-like (7) _______. They have a large diameter and a very thick atmosphere. Although their surfaces contain large amounts of gases, their cores are probably solid. All four Jovian planets have rings although only Saturn's ring system is observed from Earth.
(1)...............................

If Columbus _______ money from Queen Isabella, he _______ across the Atlantic.

If I knew his address, I ______ round and see him. 

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

Some of my friends are good at English while other are good at Mathematics.

Choose the best answer

What trends and cultural _________ are popular in your country?

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

 Dame Stella is out of touch with modern archive services, which can be innovative and challenging.

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

Manufacturers may use food additives for preserving, to color, or to flavor, or to fortify foods.

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

Tom said that he was trying to carry out some campaigns to protect environment and will encourage others to do so.

If you can give me one good reason for your acting like this,      _____    this incident again.

Choose the correct answer.

The making of good habits _______ a determination to keep on training your child.

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

There are much kinds of books in my school library,but readers cannot borrow them.

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

What we know about certain diseases are still not sufficient to prevent them from spreading easily among the population.

Mark the letter A, B, C or D to indicate the correct answer to each of the following question:

Question 41. The patient was lying____________on the bed.

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

His brother refuses to even listen to anyone else’s point of view. He is very______________.

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

Parks which are found in downtown areas where office workers and store employees can enjoy their lunch hours sitting on the green grass in clean, fresh air.