---I honestly don't think I'm going to be admitted.
---Wel1, you never know! You________ a better impression than you think.
may have made
should have made
couldn't have made
needn't have made
Many people say______ is shown on television.
-----Is this the first time you______ Chengdu? -----No. But the first time I______ here, the city wasn’t so beautiful
Has the doctor _______ called for?
Mr Smith has a lot of business______. I know by______ that this man cannot be trusted.
We _______ on this project for four hours. Let’s have a rest.