-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 |
Mary is short__________ her brother is very tall.
| A．still | B．nor | C．while | D．when |
It’s clear__________ that a hard working student has___________ a great interest in science.
| A．不填; discovered | B．不填; developed |
| C．that; invented | D．that; developed |
These students are quick at learning. We'll have them __________ with new methods.
| A．training | B．to train |
| C．to be trained | D．trained |
What he lacks is more patience,___________?
| A．isn't it | B．is it | C．doesn't he | D．does he |
I told him what I was surprised____________ his attitude towards his study.
| A．is | B．was | C．at is | D．at was |