Mr. Green is said _____ an experiment to prove the new method of solving the problem when young.
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A
to do
B
to have done
C
to be doing
D
to have been doing
推荐题目
_____ his homework in time, he had to stay up late into the night.
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A
Finishing
B
Having finished
C
To finish
D
To have finished
____ almost the whole time of mine, the work made me extremely tired.
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A
Occupying
B
Occupied
C
Being occupied
D
To occupy
What’s the chance of ________ a general election this year?
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A
there being
B
there to be
C
there be
D
there going to be