题目内容
动词时态填空：
When he
动词时态填空
When the teacher comes in, we must stop ________(talk)．
用所给动词的适当时态填空。
When his mother got home, Jimmy ________(put) the toys together busily.
________you ________ （cook） when he knocked at the door?
－When ________ you ________(borrow)the books?
－Two days ago．
