来自陈庭贵的问题
【Thestudentsarebusy______fortheexamA.togeteverythingreadyB.gettingeverythingreadyC.beingreadyD.tobeready我觉得BC都可以,为什么c就错了呢?】
Thestudentsarebusy______fortheexam
A.togeteverythingreadyB.gettingeverythingready
C.beingreadyD.tobeready
我觉得BC都可以,为什么c就错了呢?
1回答
2020-01-26 17:16