I didn’t see her in the musical hall this evening. She have sung at the concert.
| A．mustn’t | B．shouldn’t | C．needn’t | D．couldn’t |
Devoted to the rescue of the earthquake victims, the volunteers felt _____ but regret.
| A．anything | B．nothing | C．something | D．somehow |
----Mary broke up with me!
----You ______ have forgotten about the Valentine's Day．
| A．shouldn't | B．couldn't | C．needn't | D．mustn't |
Young people seem to have no time to spend with other people around them ______ giving so much attention to their own world.
| A．in spite of | B．regardless of | C．due to | D．according to |
One of the requirements for the experiment is that the material _____ to its burning temperature．
| A．is heated | B．will be heated | C．be heated | D．would be heated |
---- Occasions are rare _____ I can spend a day with my daughter.
---- You should spare some time to accompany her.
| A．when | B．where | C．which | D．that |