题目内容
He ________ his homework at 7:00.
[ ]
|
A .start does |
B .starts to do |
|
C .starts do |
D .start to do |
答案:B
解析:
解析:
|
主语是三单形式,谓语动词须用三单形式,排除 A和D,start后跟动词时须跟动名词或动词不定式. |
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