It is vital that we _____ act out at once to protect the environment.
#90531
A
would
B
should
C
will
D
can
推荐题目
Students ______ remain in their seats until all the exam papers have been collected.
#87735
A
must
B
shall
C
may
D
can
— Do you know where David is ? I couldn’t find him anywhere. — Well. He ______ have gone far –his coat’s still here.
#90557
A
shouldn’t
B
mustn’t
C
can’t
D
wouldn’t
—— Could I use your telephone? —— Yes, of course you ＿＿＿＿＿＿＿＿＿＿＿＿＿.
#89929
A
could
B
will
C
can
D
might
As Commander-in-Chief of the armed forces,I have commanded that all measures for our defense.
#89332
A
had been taken
B
be taken
C
would be taken
D
be made
If you ______ earlier, you ________ him.
#88330
A
came; would meet
B
had come; would have met
C
had come; would meet
D
would come; met