问题
The days _____ they spent their childhood together have already gone.[ ]
A: when
B: which
C: that
D: where
B: which
C: that
D: where
正确答案是：
同类题型
Most students like dinosaurs, but ______ of them know the story of dinosaurs.
The weather is fine. The students are having a good time _______basketball.
We have ____ books in our school library.
Let’s _______ to the opera tonight.
I wonder if he _______ this weekend. If he ______, I’ll let you know.