Often, when he something that him, he wasted his time dozing.
#87771
A
should be doing, gave
B
should have been doing, was given
C
should do, was given
D
should have been doing, had given
推荐题目
Doctors say that exercise is important for health, but it _______ be regular exercise.
#87072
A
can
B
will
C
must
D
may
-- A medical team was sent to Japan by air five hours ago. ---So they_____ have arrived by now. The flight usually takes four hours or so.
#86986
A
might
B
could
C
need
D
must
It has been announced that candidates ______ remain in their seats until all the papers have been collected.
#90070
A
can
B
will
C
may
D
shall
If only I _______ your praise then! For, you see, I lost heart and gave up.
#86604
A
have heard
B
hear
C
had heard
D
heard