I. Choose the best answer.
( ) 1. The first computers were built in ______ 1940s.
A. Our B. the C. an D. a
( ) 2. Our teacher told us that light ______ much faster than sound.
A. travelled B. was travelling C. is travelling D. travels
( ) 3. I've only got two tickets for the concert. ______ Mary ______ you can go with me tonight.
A. Both, and B. Either, or C. Neither, nor D. Not only, but also
( ) 4. Sending emails is ______ than sending ordinary letters.
A. convenient B. much convenient C. more convenient D. most convenient
( ) 5. My old neighbour Mary felt ______ after her children moved out.
A. lonely B. safely C. angrily D. lively
( ) 6. — Is Mike knocking at the door?
— It ______ be Mike. He is in America now.
A. needn't B. mustn't C. can't D. may not
( ) 7. Jim and his grandfather ______ trees in the garden this time yesterday.
A. planted B. had planted C. were planting D. would plant
( ) 8. Can I have a talk with you? I have ______ to tell you.
A. something important B. important anything C. anything important D. important something
( ) 9. I plan to make a ______ trip to Singapore during this summer holiday.
A. three-weeks B. three-weeks' C. three weeks D. three-week
( ) 10. ______ interesting book Harry Potter is!
A. What a B. What an C. How a D. How an
( ) 11. The little boy likes to ______ how well he speaks French.
A. show off B. turn off C. get off D. put off
( ) 12. — Can you tell me how to use a micro blog on my phone?
— ______. But I have to finish my work first.
A. No problem B. No way C. Of course not D. Don't mention it