题目内容
I _____ go to bed ______ my mother returned home.
| A．don’t ,until | B．don’t, when |
| C．didn’t ,until | D．didn’t, when |
C
解析试题分析：句意：我直到我母亲回家，我才上床睡觉。not ......until......直到……才……；根据动词returned可知此处用一般过去时，故用助动词didn’t。故选C。
考点：考查时态的用法。
练习册系列答案
相关题目
There are _______students in my school.
| A．three hundreds | B．three hundred |
| C．three hundred of | D．three hundreds of |
--- ______ does this scarf belong to?
--- Let me see. Oh, it may be ______.
| A．Who; hers | B．Who; her | C．Whose; her | D．Whose; hers |
We can’t pass the exam, ______ we study hard
| A．because | B．unless |
| C．though | D．or |
With the money _______ he saved, he could go on with his education.
| A．it | B．what | C．this | D．that |
On those foggy days,you could hardly see anything around you it was at noon.
| A．so | B．because |
| C．but | D．though |
—Our head teacher says we should have more sleep these days.
—I don’t agree with his idea __________ he might be right.
| A．if | B．although |
| C．unless | D．because |