来自陈诗桓的问题
【Metal_________makemachinesandmanyotherthings.A.usedtoB.isusedforC.isusedasD.isusedto参考答案是D,为什么?I’msorryIcan'tgetthereontimebecausemycar________.A.wasbrokenB.hasbrokenoutC.hasbrokendownD.hasbeeenbroken】
Metal_________makemachinesandmanyotherthings.
A.usedtoB.isusedforC.isusedasD.isusedto
参考答案是D,为什么?
I’msorryIcan'tgetthereontimebecausemycar________.
A.wasbroken
B.hasbrokenout
C.hasbrokendown
D.hasbeeenbrokenoff
参考答案是C,为什么?
1回答
2020-01-26 21:57