问题

You can nevertouch this machine when it ________, it is very dangerous
A:Just aminute
B:It’s very nice of you
C:That’s allright
D:At your service
B:It’s very nice of you
C:That’s allright
D:At your service
正确答案是:
同类题型
I thought we’d be late for the concert, _____ we ended up getting there ahead of time[ ]
. It is so nice to hear from her. ______, we last met more thirty years ago.
Well, it is time to .—So it is. Otherwise, we may miss the train.
______ left before the deadline, it doesn’t seem likely that John will finish the job.