It is written clearly in the requirements that all passengers _______ check onto board thirty minutes before the plane takes off.
#90290
A
may
B
can
C
will
D
shall
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He warned me of what I otherwise __________ about the accident.
#86838
A
ignored
B
had ignored
C
would ignore
D
would have ignored
All our teachers demand that we ___________.
#87507
A
worked hard
B
work hard
C
will work out
D
should be worked hard
I was really anxious about you. You ______ home without a word.
#89821
A
mustn’t have left
B
shouldn’t have left
C
couldn’t have left
D
needn’t have left
—— Why do you make me do so? —— I am sorry that you＿＿＿＿＿＿＿＿do such a thing.
#89878
A
would
B
can
C
should
D
may
I should not have laughed if I ______ you were serious.
#86869
A
thought
B
would think
C
had thought
D
have thought