来自董延的问题
whatdidyoudoyesterday.I_(clean)theroom.请用所给动词的正确形式填空
whatdidyoudoyesterday.I_(clean)theroom.请用所给动词的正确形式填空


whatdidyoudoyesterday.I_(clean)theroom.请用所给动词的正确形式填空
whatdidyoudoyesterday.I_(clean)theroom.请用所给动词的正确形式填空
cleaned.过去时