4. We can go when the ground____________. A. is drying B. has dried C. dried D. dry ...
21. By law, when one makes a large purchase, he should have ________ opportunity to change his mind. A. accurate B. urgent C. excessive D. adequate ...
24. If you stay in your room when an earthquake happens, you ought to _______. ① hide yourself under the table ② stay in the safe place until the shaking ③ keep yourself under the seat in the bus ④ stay away from glass, windows, and an...
3. —Who called me this morning when I was not? —A man calling___Robert. A. him B. himself C. his D. 不填 ...
23.??I ___be out when he called. A. happened to B. happened C. was happening to D. happen ...
22.??Cromwell played football when he was___. A. at the university B. at university C. in the college D. at the college ...
28. It is impolite to( )others when they are talking. A. break B. interrupt C. interfere D. stop ...
24. We left very sad when we heard the news that the( )manager was killed in his office yesterday. A. respectful B. respectable C. respective D. respecting ...