If human beings had been a bit less greedy and cruel, more birds and animals _______dying out.
#89245
A
ought to avoid
B
could have been avoided
C
should have avoided
D
might have avoided
推荐题目
Without the teahcer’s help, I ___ the exam.
#88977
A
won't pass
B
wouldn't pass
C
wasn’t to pass
D
wouldn’t have passed
If you go into a store and feel that the clerk is being rude, stop and think that she____ a tough day, and put yourself in her shoes.
#88069
A
may have
B
may have had
C
must have
D
should have had
If we had taken such effective measures much earlier, the river ________ so seriously now.
#86813
A
is not polluted
B
would not be polluted
C
had not been polluted
D
would not have been polluted
The young man insisted that he＿＿＿＿＿nothing wrong and＿＿＿free.
#89951
A
did； set
B
had done； should be set
C
do； be set
D
had done； must be set