I ______, no, I am quite certain, that he is unwelcome in the neighborhood.
| A．conclude | B．suspect | C．reject | D．quarrel |
You ___ wrong .
| A．must | B．might be | C．can | D．may |
I hope to ___ more in English in the future.
| A．able to write | B．be able write | C．can write | D．be able to write |
---That must be a mistake. ---No, it ___ a mistake.
| A．must not be | B．needn’t be | C．cannot be | D．may be not |
.Jack and I can go to the lecture ___
| A．but neither can Mary | B．and do Mary can | C．but Mary can't | D．and Mary also can’t |
That paint is wet, you ___ touch it.
| A．mustn’t | B．oughtn’t | C．don’t | D．didn’t |