You _____ pay too much attention to your handwriting ,as it is very important.
| A．mustn’t | B．needn’t | C．can’t | D．won’t |
Mary ___________to see you．She．_________ for you downstairs at the moment．
| A．has come；is waiting | B．came；is waiting |
| C．has come；waited | D．came；was waiting |
The bad weather meant__________ the rocket launch(发射)for 48 hours,．
| A．delaying | B．having delayed |
| C．to delay | D．to have delayed |
She was afraid __________ the dog in case it became dangerous.
| A．of exciting | B．to excite |
| C．that she excited | D．to be exciting |
I__________ you somewhere before, but your name has escaped me_________.
| A．must see;for a moment | B．must have seen; for a moment |
| C．must see;for the moment | D．must have seen; for the moment |
—When__________ and visit our exhibition next month?
— When_______, I will let you know.
| A．will he come; he will come | B．will he come; he comes |
| C．does he come; he will come | D．does he come; he comes |