问题 选择题

____ regular exercise is very important, it’s never a good idea to exercise too close to bedtime.

A.It

B.As

C.Although

D.Unless

答案

答案:C

although“尽管”; As “如”; Unless “除非”。句意为:尽管有规律的运动很重要,但是在睡前运动不是一个好主意。

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