17.??( )they are doing has never been done before. A. That B. What C. Why D. Whether ...

10.??If you want to learn something, you had better pay( )in class. A. care B. respect C. attention D. notion ...

6.??– Hello! Can I get a seat on the 8 pm flight to Detroit? – ( ). A. Hello! International Airline B. You'd better look up the schedule first C. I'm sorry, but it's completely booked D. I'm afraid you have to change ...

1.??– Excuse me, would you lend me your calculator? – ( ). A. Certainly. Here you are B. Please don't mention it C. It's nothing D. Yes, I have a hand ...

47.??A:Where is David? B:He is having lunch in ( ) Chinese restaurant on ( ) seventh floor. A. a, a B. an, the C. the, the ...

43.??The company promised in the letter to ____ the goods to be delivered in no time. A. arrange for B. make sure C. set aside D. talk over ...

39.??A:Why don't you go to an estate agent, then, you're talking face to face? B:Well, ( ). A. I would like B. That's a shame C. I don't know ...

35.??____ Tuesday evening at eight, Major Joyee will give a lecture in Bailey Hall on “My Experience in China”. A. In B. At C. Of D. On ...

31.??On my way home, I quite often ( ) the milk man. A. see with B. meet into C. come across ...

26.??A:( ), Polly? B:I'd like a glass of wine, thank you. A. Do you want B. What would you like C. What you like ...