If he __________, he would have passed the examination.
| A．had worked hard | B．worked hard |
| C．has worked hard | D．works hard |
相关试题
30. Look! What a mess the room is! In my opinion, it needs ______.
| A．cleaning up | B．being cleaned up | C．to clean up | D．clean up |
--- Don’t waste any paper, because our forests ____ every day.
----Sorry, I didn’t know that.
| A．decreased | B．had decreased | C．have decreased | D．are decreasing |
. The child, who 
has a gift for sports, might make a first-class tennis player if given chances to develop her ______.
| A．courage | B．habit | C．potential | D．sense |
---Did Jack come back early last night?
---Yes, it was at eight o’clock_____ he arrived home.
| A．before | B．when | C．that | D．until |
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