Lawrence Craven, a doctor from the USA, is the author of several published reports, one of _____ introduced the idea in 1953 _____ aspirin could reduce the risk of heart attacks.
| A．them; when | B．which; that | C．what; that | D．which; when |
We __________ so tired. We've only been to a party.
| A．mustn't have felt | B．wouldn't have felt |
| C．shouldn't have felt | D．couldn't have felt |
I feel silly in these clothes. Everyone will___________ me.
| A．worry about | B．make fun of |
| C．get rid of | D．take interest in |
You____________ this morning if you really wanted to see it yourself.
| A．ought to come | B．might have come |
| C．ought to have come | D．can have come |
Some of the _______suspects refused to answer and kept their mouths shut.
| A．questioning | B．being questioned |
| C．questioned | D．to be questioned |
I told you that you shouldn't waste your time playing the computer games,_____________?
| A．didn't I | B．did I | C．should you | D．shouldn't you |