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。