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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______ today, he would get there by Friday.
#86436
A
Were he to leave
B
If he had left
C
Did he to leave
D
Had he left
If you ______ firm action to deal with it at once, you wouldn’t suffer heavy losses tomorrow.
#86970
A
take
B
took
C
has taken
D
had taken
Teachers recommend parents ______their children under 12 to ride bicycles to school for safety.
#87374
A
not allow
B
do not allow
C
mustn’t allow
D
couldn’t allow
His parents meant him_____________ scientific research, but he showed no interest and turned poet.
#89322
A
going in for
B
to have gone in for
C
to go in for
D
having gone in for