题目内容
________Mary ________ her homework in the evening？
[ ]
A．Do，do
B．Does，does
C．Do，does
D．Does，do
答案：D
解析：
解析：
|
解析：主语Mary为第三人称单数，因此助动词用does，而疑问句已有助动词does，句中动词用原型do。 |
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