问题

How long do you think it will be ____ the USA recovers from the losses of the financial crisis? — Perhaps four or five years.

A:when
B:since
C:that
D:before

正确答案是：

同类题型

I’m going to study medicine at a university—Hmm… ________ difficult.

My sister _____ Tony for ten years next year

isn’t working hard to __________ his wife and children, which in my opinion will __________ his marriage failure.

The documentary A Bite of China II《舌尖上的中国》is quite popular around China recently.—What do you think of

Mary is ill. When shall we go to see her, tonight ortomorrow night? -_______. Either night is OK.