---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
Almost _______ of the students in this class wear glasses, that is, _______ of them.
There was no good news still, and as time went by, he got _______ .
-I have driven for so long, and now I want to have a rest. - _______ . _______ to drive.
He is always _______ his excellent spoken English; while his sister takes _______ her beauty.
In the last ten years, they _______ three great scientific experiments.