427. You’re wet through, you ____in the rain.

　　　 A. must　 B. may　 C. must have caught　　 D. must have got caught

426. She ____to the cinema, for I saw her just now.

　　　 A. mustn’t have gone　 B. may not go　 C. can’t have gone　 D. needn’t go

425. The light is still on. They ____to turn it off when they left the room.

　　　 A. must forget　　 B. must have forgotten　 C. may forget　 D. could have forgotten

424. There used　 to be a church in the west of the town, _____?

　　　 A. didn’t there　 B. usedn’t to there　 C. used there　 D. usen’t to there

423. He could have come to help us, but he ___too busy then .

　　　 A. is　 B. was　 C. has been　 D. had been　

422. He could have helped us, but he ______.

　　　 A didn’t　 B. hasn’t　 C. hadn’t　 D. can’t

421. I ____like someone to take me to the theatre.

　　　 A. will　 B. may　 C. would　 D. shall

420. He was busy, or he ____him more help.

　　　 A. had given　 B. would give　 C. could have given　 D. give

419. “Look, it _____be Lao Wang.”　 “ No, it ___be him, for he has gone abroad.

　　　 A. may; mustn’t　 B. must; may　 C. must; can’t　 D. can; may not

418. Some warm-hearted animals _____hibernate.

　　　 A. needn’t　　　 B. does not need to　 C. needn’t to　 D. don’t need