【题目】—Why did Peter look upset?
—His boss asked him to leave.________，he was fired.
A.By the way
B.By accident
C.In all
D.In other words

【答案】D
【解析】 “老板让他离开”与“他被解雇了”所说的是同一个意思，所以空格处应填In otherwords(换句话说)。by the way顺便说一下；by accident偶然；in all总之。