问题
________ regular exercise is very important, it’s never a good idea to exercise too close to bedtime.[ ]
A: If
B: As
C: Although
D: Unless
B: As
C: Although
D: Unless
正确答案是：
同类题型
He felt even_______ when_______ he failed the Math exam again.
useful robot it is! It can help with the housework like a human servant.
Yeah, but not now, Tom—Okay, I
Few pleasures can _____ that of a cool drink on a hot day .
With the development of modern industry, there will be living space for wild animals .