They urged that measures _______ immediately to protect the endangered animals.
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A
should take
B
must be taken
C
would take
D
be taken
推荐题目
I _________ you, but I was busy all the time yesterday afternoon.
#89611
A
could help
B
had helped
C
helped
D
could have helped
–Amazing! You ____________ wear slippers at work. --Don’t you know it’s a fashion?
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A
ought to
B
dare
C
should
D
mustn’t
It is important to know about the cultural differences that______ cause problems．
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A
must
B
may
C
dare
D
shall
It was dangerous for you to swim in that river. You eaten by the fish.
#87286
A
might have been
B
must have been
C
could have been
D
should have been