---Who put the cat in the box?---Andy______.A.did B.does C.is D.do

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---Who put the cat in the box?---Andy______.A.did B.does C.is D.do
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---Who put the cat in the box?---Andy______.A.did B.does C.is D.do
---Who put the cat in the box?---Andy______.
A.did B.does C.is D.do

---Who put the cat in the box?---Andy______.A.did B.does C.is D.do
答案:A
who 作主语,谓语动词用单数形式,而这里put没有加S,说明用的过去式,所以后面用did.

did
应该用过去时 助动词帮助省略回答
有不明白的地方再问哟,祝你学习进步,更上一层楼! (*^__^*)

A
有不明白的地方再问哟,祝你学习进步,更上一层楼! (*^__^*)