Use your head. nothing taught by others can have the same effect on you as ________learned by yourself．
| A．those | B．what |
| C．that | D．the one |
Try ________ she might, Sue couldn't get the door open.(2011·全国Ⅰ)
| A．if | B．when | C．sine | D．as |
_____, he has a lot of knowledge about computer.
| A．A child as he is | B．As he is a child |
| C．Child as he is | D．Child as is he |
—The middle-term examination is coming. I'm afraid I will fail.
—______! I’m sure you can make it.
| A．Good luck | B．Cheer up |
| C．Best wishes | D．Doesn’t matter |
—I’m worried about the coming test!
—______, you can do it!
| A．Don’t mention it | B．come on |
| C．Well done | D．Not likely |
The woman burst into tears ________she was announced the winner.
| A．that | B．instantly |
| C．unless | D．in case |