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
I ________ sooner but I didn't know that they were waiting for me.
#86541
A
had come
B
was coming
C
would come
D
would have come
—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
一Could you tell me what happed last night ?一I can't go into detail now because it _______ take too long.
#89284
A
would
B
should
C
might
D
could
-----He ought to have been warned of the danger. ----- ______ ,but he just wouldn’t listen to me.
#90386
A
So ought he
B
So he was
C
So he was
D
So he had