They flew a kite yesterday. (改为一般疑问句)
______ they ______ a kite yesterday?
正确答案及解析
正确答案
Did fly
解析
句意:他们昨天放了风筝。根据 yesterday 可知句子是一般过去时,改为一般疑问句:他们昨天放风筝了吗?flew 实义动词,疑问句时前面需要助动词,一般过去时态,助动词用过去式 did,实义动词用原形 fly,故答案为 Did;fly。
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