问题

May I surf the Internet now —No,______ you have finished doing thedishes.
A:unless
B:if
C:because
D:when
B:if
C:because
D:when
正确答案是:
同类题型
How old is your sister– .We had a special party for her birthday yesterday.
We had no time _______, but we had a great time _______ the model plane together.
The visitors lost their way in the forest ; made things worse. was that it began to rain.
My friend Lily always thinks anyoneelse.—Oh, she is a thoughtful girl.