题目内容
【题目】He ____ his homework this morning.
A. do B. did C. to do
【答案】B
【解析】句意：今天早上他做作业。由this morning可知本句要用一般过去时，故选B。
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题目内容
【题目】He ____ his homework this morning.
A. do B. did C. to do
【答案】B
【解析】句意：今天早上他做作业。由this morning可知本句要用一般过去时，故选B。