问题

Ballet is amazing; ______you go ,you are likely to find yourself going again and again

A:as
B:alletonce
C:unless
D:while

正确答案是：

同类题型

This meeting room is a non-smoking area. I would like to warn you___________ that if you smoked here you would be fined.

It’s 5 days we came here. Why shouldn’t we start

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Sorry, Madam. You’d better come tomorrow because it’s ________ the visiting hours.

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