.It is uncertain whether the medicine will work on the this cold, _________？
A. is it B. isn't it C, will it D. won't it
相关试题
What a pity! ________joined in the party, I would have met my old friend．
| A．lf I have | B．Had I | C．I had | D．Have I |
Today's homework was easy _______so I finished it quickly and went out to play．
| A．to be done | B．done | C．d oing |
D．to do |
Don't you think _______of great importance that we should keep fit by taking exercise regularly?
| A．this | B．that | C．which | D．it |
The news was a terrible blow to her, but she ______the shock soon．
| A．got out | B．got over | C．got off | D．got through |
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