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
推荐题目
If you have something important to do, you ___ waste any time.
#89049
A
needn’t
B
mustn’t
C
may not
D
won’t
Look at the trouble I am in! If only I your advice!
#86884
A
followed
B
had followed
C
should follow
D
would follow
One of the requirements for a fire is that the material ____ to its burning temperature.
#89339
A
is heated
B
be heated
C
would be heated
D
do heat
How I wish that you could attend the party, even though you _____busy.
#90224
A
had been
B
would be
C
were
D
are
Thanks to the work of UNICEF(联合国儿童基金会). Otherwise many children the chance of living a good life.
#86459
A
will not have
B
have not had
C
do not have
D
would not have