No wonder you caught a cold. You________have gone out last night without a coat.
A. shouldn't B. mustn't
C. couldn't D. mightn't
His advertisement income this year is about $36 million, over three times________of last year.
A. that B. what C. those D. ones
I suppose by the time I come back in ten years' time all these old houses_______down.
A. will be pulling B. will have been pulled
C. will have pulled D. will be pulled
I'm afraid I've little time to spare these days. I've a pile of papers to_____before the meeting.
A. get through B. put on C. set up D. send for
Play, often seen as________activity for kids, is still important in______development of teenagers.
A. the; the B. an; the C. an; 不填 D. the; 不填
A computer can only do you have instructed it to do.
A. how B. after C. what D. when