问题

Emma can go out ________ school nights,but she must be back ________ ten o’clock. –Oh,I see.
A:on;before
B:on;after
C:in;before
D:in;after;
B:on;after
C:in;before
D:in;after;
正确答案是:
同类题型
China ________ food and drinks ________ the people in Philippines(菲律宾) last year .
What did Susan say just now—She said that she ________ come this weekend because of illness.
The acid rain is one of the chain reactions that ______ by environmental pollution.[ ]
I enjoy playing computer games, but I can’t _____ too much time _______that.