The experts present at the conference all insisted that greenhouse gas emission be reduced from now on．
#86506
A
must
B
will
C
/
D
can
推荐题目
--- Catherine, I have cleaned the room for you.---Thanks. You _______ it. I could manage it myself.
#86641
A
needn’t do
B
needn’t have done
C
mustn’t do
D
shouldn’t have done
It was playing computer games that cost the boy plenty of time that he ______ spent doing his lessons.
#87725
A
might have
B
should
C
ought to have
D
could
Mr Bush is on time for everything. How____ it be that he was late for the opening ceremony?.
#87653
A
can
B
should
C
may
D
must
You ___ me, but since you have,I’ll keep it secret from others.
#89047
A
needn’t have told
B
didn't need to tell
C
wouldn't have told
D
couldn't have told
Mark ______ have hurried. After driving at top speed, he arrived half an hour early.
#87664
A
needn’t
B
wouldn’t
C
mustn’t
D
couldn’t