问题

You will have to wait for one more week, _________ the manager will be back from his trip.
A:when
B:before
C:as
D:until
B:before
C:as
D:until
正确答案是:
同类题型
small, the country has _____ plants from desert grasses to tropical jungle.
Catherine’s parents didn’t approve of her leaving school this year, but she did it _____.
So far, about 40 houses have fallen down under the weight of the snow, with 22 people .