题目内容
改错
He was crowded the cards into a filing box．
他将卡片塞入文件箱。
去掉was
He was doing repair when I rang him up.
________
He was so thirsty that he drank a lot of boiling water．
_____________________
单句改错
He was talking on the phone and when someone knocked at the door．
He was looking for the dictionary whenever he thought he might have put it．
He was regarded as the wisest politician of all times．
