—-I’m very sorry. I haven’t brought you the pen you lent me yesterday.—-Forget it. You      not return it to me as I have got an extra one.
#87710
A
must
B
need
C
can
D
should
推荐题目
He knows it is high time that he ________ at once.
#87730
A
quits smoking
B
quitted smoking
C
should quit to smoke
D
quitted to smoke
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