题目内容
He ________ finish his homework ________ 12 o'clock last night.
[ ]
|
A .did, when |
B .didn't, while |
|
C .didn't, until |
D .did, until |
答案:C
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He ______finish his homework before 12 o’clock.
|
A.haven’t to |
B.don’t have to |
|
C.hasn’t to |
D.doesn’t have to |