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I_____ all of the questions correctly since I began this grammar exercise on verb tenses.

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It is essential that the sponsor_____ the file early.

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By knew that he would be able to reach the South Pole. It would be______.

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One of my best friends_____ five credit cards.

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As an orphan, he _____ earn his living alone.

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_______natural resources is of great importance.

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Although he tried hard, _____

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I’m happy that everything_____ in its place.

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Susan is interested in _______ a bus.

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My daughter often_______ to see me at least once a week.

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It is possible that she will come to our party tonight. She__________ come here tonight.

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“Do you know why Erica failed the test?”

          “I don’t know. She spent_____ time studying”.

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The examination was very difficult, _______ very few were able to pass.

They won’t let him _____ the country.

Choose the letter A, B, C or D to complete the sentence: She seems to have spent all her life studying in _______ establishments.

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There_____ never been an environmental disaster of this magnitude.

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I would like to leave a message for_______ if I may.

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Disguises can be too perfect. This means they can be______

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)_____. 

(23).......... 

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If you want to find good information about graduate programs in the United States, look in ________ of the College Blue Books.

Choose correct answer A, B, C or D to complete the sentence. If the sun shines, we ___________ to the beach