问题

I often study late every night, sometimes _____ 2 am. [ ]
A: before
B: after
C: until
D:when
B: after
C: until
D:when
正确答案是:
同类题型
Our teacher told us to the new words in the dictionary if we didn’t know them.
_______are you going to see your mother?—By train.
Lucy is a _______girl. —Yes, she always studies hard at night.
Must I finish my composition (作文) right now?-No, you _______.You can hand it in tomorrow.
The man is going to buy a big house when he _________ more money.