1.Children are curious ___ nature and adults should encourag
1.Children are curious ___ nature and adults should encourage their natural curiosities.
A.on B.at C.in D.by
为什么?难道不是固定搭配"be curious about"吗?
2.Is it OK if I smoke here?Sorry,you ___.This is a non-smoking area.
A.can't B.couldn't C.needn't D.wouldn't
为什么B不可以?B不是更委婉一些吗?