----Did you open the door?
-----Yes. I remembered _____it before you arrived.
| A．opening | B．being opened | C．to open | D．to have opened |
If it were not for the fact that she __________ sing, I would invite her to the party.
| A．couldn’t | B．shouldn’t |
| C．can’t | D．might not |
— What’s the name?
— Khulaifi. __________ I spell that for you?
| A．Shall | B．Would |
| C．Can | D．Might |
— I think I’ll give Bob a ring.
— You __________. You haven’t been in touch with him for ages.
| A．will | B．may |
| C．have to | D．should |
We __________ have proved great adventurers, but we have done the greatest march ever made in the past ten years.
| A．needn’t | B．may not |
| C．shouldn’t | D．mustn’t |
—Tom, you didn’t come to the party last night?
—I __________, but I suddenly remembered I had homework to do.
| A．had to | B．didn’t |
| C．was going to | D．wouldn’t |