——Hi, Mike．Any idea where Mary is? ——She ____ in the classroom．I saw her there just now.
#89129
A
shall be
B
should have been
C
must be
D
might have been
推荐题目
---Mike must have known that.---No, he ________. How _______ he?
#87806
A
mustn’t, must
B
may not, might
C
couldn’t, can
D
needn’t, need
They must have been here the day before yesterday,＿＿＿＿?
#89896
A
mustn’t they
B
didn’t they
C
mustn’t have they
D
had they
Look at the clock! It's time ______ work.
#90300
A
we started
B
we'll start
C
we're starting
D
we have started