谢绝不相关回答,请自重!1.--Ican'tgetthroughtothemanager'soffice.--Thelineisbusy.Someonethetelephone.A.musthavebeenusingB.mustbeusing选哪个?为什么?2.请翻译此句：--Wouldyouhavetoldhimtheanswerhaditbee

Question

谢绝不相关回答,请自重!
1.--I can't get through to the manager's office.
--The line is busy.Someone_____the telephone.
A.must have been using B.must be using
选哪个?为什么?
2.请翻译此句：--Would you have told him the answer had it been possible?--I would have,but I was so busy then.

Answer 1

1.B
有人一定在用电话
表示肯定推测,且正在使用,所以选B
A的时态不对
2你可能想告诉他答案我也想,但那时我太忙了