问题

I didn’t hear the phone. I _____ asleep. [ ]
A: can be
B: must have been
C: must be
D: should have been
B: must have been
C: must be
D: should have been
正确答案是:
同类题型
_______ that we can’t get the necessary equipment, we will have to give up theexperiment
They were all standing on the playground,white suit.
__What did Tom say to you just now John -__He asked
Tom did not take away the camerabecause it was just the same camera ____ he lost last week.
Teachers should be able to give _____ instructions in class. [ ]