单项选择题

There is nothing to do but ______ the experiment.

A. to repeat
B. repeating
C. repeats
D. repeat
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单项选择题
A. The new secretary is sick. B. The woman hasn’t met the secretary yet. C. There are two new secretaries. D. The woman did not like the new secretary.
A. The new secretary is sick.
B. The woman hasn’t met the secretary yet.
C. There are two new secretaries.
D. The woman did not like the new secretary.
单项选择题
A. It’s wonderful. B. It doesn’t matter. C. I once visited this city. D. Never mind.
A. It’s wonderful. B. It doesn’t matter.
C. I once visited this city. D. Never mind.
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