Choose the best answer: 

I put my keys on the table, but now it’s gone. Someone_____ have taken it.

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A breeze_______ touched my face.

Choose the letter A, B, C or D to complete the sentences:

I'd rather_____ in the field than_____ at home.

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He was_____ tired that he slept all day.

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I’ll have a cup of tea and __________

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Both girls write to each other regularly. They write_______

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The smallest flying dinosaurs _____ about the size of a robin.

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Mr. Brown comes to the store_______ for cheese and bread.

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Mary, accompanied by her brother on the piano, _____ very well received at the talent show yesterday.

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Do you have an excuse_______ late to class two days in a row?

Choose the word (a, b, c, or d) that best fits each of the blank spaces. 
Computers are very (21)____, but they also can (22) _____ problems. One kind of problem is with the computer’s memory. It is not perfect, so (23) ____ computers lose (24)______information. Another problem is with the machinery. Computers are machines, and (25)_____can break down. When computers break down, they may erase information, like chalk on a blackboard. Or they may stop doing anything at all. And there is another different kind of problem with computers. Some doctors say they may be bad for your (26)_____. 
(26)......

Choose the letter A, B, C or D to complete the sentences:

I use a laptop __________ to music and watch videos.

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I wish that he weather_______ not so warm.

Choose correct answer A, B, C or D to complete the sentence. What is a machine used _________?

__________ you do the dishes when you were young?

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After he had researched and ________ his paper, he found some additional material that he should have included.

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hey prayed that their daughter_____ be lucky again.

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__________ is the world’s most abundant fossil fuel.

Choose the letter A, B, C or D to complete the sentence: Science is used in all corners of the world for the __________ of human.

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My husband lived at home before we were married, and so______

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I suggest that the doctor_____ up his mind without delay.