We ________ last night, but we went to the concert instead.
| A．must have studied | B．might study |
| C．should have studied | D．would study |
In my dream I felt it hard to breath as if somebody ________ from the distance
| A．were choking | B．was choking me | C．had choked | D．would choke |
I have experienced quite a number of cases ______ I really wanted to help but could not find anything to _______.
| A．when; put on my hands | B．that; put my hands on |
| C．where; put my hands on | D．in that; put on my hands |
An appropriate amount of temporary pressure can ______ a kind of motivation to do something well, but once it becomes constant or permanent, psychological problems are likely to _______.
| A．act as; rise | B．play as; appear | C．work as; raise | D．serve as; arise |
The football match was really _______. No one was sure which side ________ until the last moment.
| A．firm; would win | B．exciting; was winning |
| C．tight; would win | D．close; was about to win |
People exposed to radiation are more _______ to suffer from certain forms of cancer, which can be ______ but can’t be ______at present
| A．more likely; treated; cured | B．more probable; treated; cured |
| C．more possible; cured; treated | D．more likely; cured; treated |