题干
--Cliff, I lost your ball at school. I suppose I should pay for it.
--- Oh. _____. It was just as old ball anyway.
--- Oh. _____. It was just as old ball anyway.
A：Take it easy
B：By no mea
C：You got it
D：Forget it .
答案(点此获取答案解析）
D
AB的长为半径作弧,两弧相交于C,D两点;(2)作直线CD.