Are you sure you (clean)them yesterday用所给动词的适当形式填空。A.Are you sure you ▁▁▁▁ (clean)the shoes?B.Yes,I▁▁▁▁(clean)them yesterday不好意思,打错了

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Are you sure you (clean)them yesterday
用所给动词的适当形式填空。
A.Are you sure you ▁▁▁▁ (clean)the shoes?
B.Yes,I▁▁▁▁(clean)them yesterday
不好意思,打错了

都用cleaned ,第一句sure后面省略了一个that其实是宾语从句

have cleaned
cleaned

cleaned