437. “_____he open the door?” 　　　 A. Shall　 B. Will　 C. Can　 D. Would

436. ____I to go and apologize for my mistake?

　　　 A. Should　 B. Need　 C. Ought　 D. Have　

435. This pen looks like mine, yet it isn’t. Whose ___it be?

　　　 A. must　 B. can　 C. would　 D. will

434. Man ___die without air or water.

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

433. When we reached the port, the ferry-boat had not arrived yet, so we ____.

A. needed not to worry　　 B. needn’t have hurried

C. didn’t need to hurry　　 D. had not needed to hurry　

432. She ___the examination again since she had already passed it.

　　　 A. needn’t have taken　 B. didn’t need to take　 C. needn’t take　 D. mustn’t take　

431. He went on foot, but he ___by bus.

　　　 A. should gone　 B. could have gone　 C. ought have gone　 D. could be gone

430. “Where has happened to Tom?” “I don’t know. He ______lost”.

　　 A. could get　 B. might get　 C. can have got　 D. may have got　

429. “ I can’t find Tom anywhere in the office.” “Where _____he have gone?”

　　　 A. must　 B. can　 C. should　 D. need

428. Tom, you are so lazy. This work ____hours ago.

A.should finish B. must have finished C. should have been finished D. might have finished