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
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(2013·辽宁五校二模)—Mum, can I watch the TV program for another twenty minutes?—Sorry, dear, it's time you ________ to bed.
#86537
A
went
B
go
C
will go
D
must go
- - How dangerous it was!- - Yes, but for the passer - by' s quick action, the girl _____
#86805
A
was drowned
B
could have been drowned
C
had drowned
D
should be drowned
. He __________ full marks, but he was so careless as to make a spelling mistake.
#88166
A
must have gained
B
can have gained
C
could have gained
D
must gain
But for the help of my English teacher, I _______ the first prize in the English Writing Competition.
#87749
A
would not win
B
could not win
C
could have won
D
would not have won
I can’t find my English book. I must ___ it at home this morning.
#88936
A
forget
B
leave
C
have forgotten
D
have left