—I knocked but nobody answered the door. ----They _____asleep then and didn’t hear you.
#88169
A
must be
B
should be
C
must have been
D
should have been
推荐题目
When a pencil is partly in a glass of water, it looks as if ＿＿＿＿.
#89905
A
breaks
B
has broken
C
were broken
D
had been broken
Why were you driving so fast? You somebody.
#87989
A
mingt hurt
B
might have hurt
C
would hurt
D
must have hurt
Sir, you ______ be sitting in this waiting room. It is for women and children only.
#90087
A
oughtn’t to
B
can’t
C
won’t
D
needn’t
―Is that Miss Liu having dinner over there?―It be her. She has gone to New York for an important business meeting.
#87968
A
mustn’t
B
needn’t
C
can’t
D
shouldn’t