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
--- Ought we _____ clean the class room today?--- Yes, you _____.
#87764
A
to; ought to
B
/; ought
C
ought; ought
D
/; ought to
You look very tired. You ____ late last night.
#87853
A
needn’t sit up
B
didn’t need to sit up
C
shouldn’t sit up
D
needn’t have sat up
—— I can’t get through to the general manager’s office anyhow. —— The line is busy. Someone＿＿＿＿＿the telephone.
#89932
A
must use
B
uses
C
must have been using
D
must be using
If we ___________some measures, we might have prevented the environmental pollution．
#87466
A
take
B
had taken
C
took
D
have taken
If I hadn’t stood under the ladder to catch you when you fell, you ____ now.
#86941
A
wouldn’t be smiling
B
couldn’t have smiled
C
won’t smile
D
didn’t smile