问题
We should consider the students’ request ______ the school library provide more books on popular science.
A:that
B:when
C:which
D:where
B:when
C:which
D:where
正确答案是：
同类题型
The flight to Toronto was __________ because of the heavy snow.
Excuse me, could you tell me _________? — Sorry, I’m not sure.
Have you finished the work yet? — Not yet. I need two more days.
I’m sorry I can’t stop with you. I have much work to do.
In the United States, Father’s Day falls on ________ third Sunday in ________ June.