I don’t think Linda could have done such a stupid thing last night, _________?
| A．do I | B．didn’t she |
| C．did she | D．don’t I |
---Where will you start your work after graduation ---at home or abroad?
--Mm, it’s not been decided yet．I ______ continue my study for a higher degree．
| A．need | B．must | C．would | D．might |
---Hi, Lucy．Have you heard of any good news about Frank recently?
---Yeah．She ____ have done better．She has been admitted to one of the top-ten universities in the States．
| A．shouldn’t | B．wouldn’t | C．needn’t | D．couldn’t |
---Is this our new office, Jim?
---Yes, and ______．
| A．that’s all right | B．it’s ok |
| C．after you | D．you can find it |
--- I’m not good at singing, you know.
--- . It’s just for fun.
| A．All right | B．No problem | C．Come on | D．Cheer up |
______ it have been the failure to pick up directions from the ground control that caused the air crash?
| A．Must | B．Could | C．Would | D．Should |