If human beings had been a bit less greedy and cruel, more birds and animals _____dying out.
#89442
A
ought to avoid
B
could have been avoided
C
should have avoided
D
might have avoided
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—Jack fell off the ladder yesterday，but he is all right now.—What a lucky dog! He________ himself badly.
#86848
A
should injure
B
might injure
C
should have injured
D
could have injured
Recently quite a lot of experts _____ that another law on wildlife protection ____ as soon as possible.
#89276
A
suggested; must be passed
B
have suggested; be passed
C
were suggesting; was passed
D
suggested; being passed
I have been looking for Michael for a whole day. Where ______ he have gone?
#88143
A
should
B
can
C
must
D
may
—What’s your feeling now? —I am terribly sorry. If only I here yesterday!
#87389
A
came
B
would have come
C
have come
D
had come
They must have been here the day before yesterday,＿＿＿＿?
#89896
A
mustn’t they
B
didn’t they
C
mustn’t have they
D
had they