问题

You can never be ________ when crossing the street.

A:very careful
B:too careful
C:carefully enough
D:enough careful

正确答案是：

同类题型

a very hard-working student．—________．As far as I know, he often burns the midnight oil．

We could have come here much earlier in your car—-I agreeBut it _____

Will you go shopping now? —- Not until I _______ my experiment

I was ________ at this news that the hospital had burnt down.[ ]

Please call me at 8:00 tomorrow morning． I’m kind of forgetful．-Don’t worry about that; you’ll be surely ________．[ ]