The English play _____ my students acted at the New Year’s party was a great success.
| A．for which | B．in which |
| C．at which | D．on which |
-The work will take me another week. I'm really tired.
-I think you __________ as well consult an experienced worker.
| A．may |
| B．can |
| C．need |
| D．must |
The suit is the most expensive. It costs __________1,000 yuan.
| A．at most |
| B．at last |
| C．at least |
| D．at all |
The house still needed a lot of work, but __________ the kitchen was finished.
| A．instead |
| B．altogether |
| C．at once |
| D．at least |
-If only I __________ the key with me ！
-Then you would not have to wait for your wife's rescue.
| A．had had |
| B．have had |
| C．had |
| D．have |
-Mary didn't turn up last time, did she?
-No. She __________. We had changed our plan.
| A．didn't need to come |
| B．needn't have come |
| C．shouldn't have come |
| D．needn't have to come |