---Did you listen to the speech?
--- No, we ______ it. But we had a lot of traffic on our way.
| A．could have attended | B．must have attended |
| C．could attend | D．shouldn't have attended |
相关试题
Better go to see my sick colleague right now, ________I?
| A．hadn’t | B．didn’t | C．don’t | D．won’t |
I promised to get there before 5 o’clock, but now the rain is pouring down. They ______ for me impatiently.
| A．may wait | B．ought to wait | C．could wait | D．must be waiting |
She’s already an hour late, What _____to her?
A can have happened B may happen
C should have happened D may have happened
As it tuned out to be a small house party, we ____ so formally.
| A．needn’t dress up | B．couldn’t have dressed up |
C．didn’t need dress up | D．needn’t have dressed up |
— The woman biologist stayed in Africa studying wild animals for 13 years before she returned. 推荐套卷
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