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
推荐题目
— Is John coming by train ? — He should, but he ______ not. He likes driving his car.
#90278
A
must
B
can
C
need
D
may
My father ______ you a lift, even if he didn’t plan to take that way．
#89018
A
must have given
B
might have given
C
should have given
D
can’t have given
Some people who don’t like to talk much are not necessarily shy; they _____ just be quiet people.
#89074
A
must
B
may
C
should
D
would
Emergency line operators _______ always stay calm and make sure that they get all the information they need to send help.
#87182
A
can
B
would
C
must
D
might
- - How dangerous it was!- - Yes, but for the passer - by' s quick action, the child _____．
#86794
A
was drowned
B
could have been drowned
C
had been drowned
D
should have drowned