Choose the best answer: 

The forest trails_____ any signs for campers.

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

The new invention may receive a lot of __________ from the public.

Don’t forget to _____ all the lights when you go to bed.

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The Chicago bus is parked at __________

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The line is busy; someone______ the telephone now.

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 It’s a shame that you have _______ time in New York on the tour.

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

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Please______ photocopies of documents.

Choose correct answer A, B, C or D to complete the sentence. Her mother told me she _______ very tired since she came back from a visit to our grandparents

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Everybody around him was smoking; _______ smoking.

Choose the letter A, B, C or D to complete the sentence: The new invention may receive a lot of __________ from the public.

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The team really looks good tonight because the coach had them________ every night this week.

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It was not long before a helicopter arrived. It arrived_______

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Mathematics courses _____ generally required in American high schools.

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If it__________ rain, we’ll have the party outside.

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

Science is used in all corners of the world for the __________ of human.

Choose the word (a, b, c, or d) that best fits each of the blank spaces. 
Not so long ago, people only used the (23)_____to make phone calls. Now, thanks to computers, people use their phones to do much more. They can bank by . phone, rent videos by phone, and even shop by phone. It is also possible (24)_____letters and reports by faxing them over telephone lines. People can even use their phone lines to (25)________ messages from one computer to another computer by (26)_________ mail, or e-mail. 

(26)........

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Our reservations are for________

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I’d rather_____ in the field than_____ home.

Choose correct answer A, B, C or D to complete the sentence. Digital cameras is a wonderful ___________

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)_____. 

(22)..........