-- Hello, this is Jack. May I speak to Tom?-- Sorry, he isn’t in at the moment. If he _______ back, I’ll ask him to call you back.
#41008
A
come
B
comes
C
have come
D
came
推荐题目
The experiment shows that proper amounts of exercise, if _____ regularly, can improve our health.
#67898
A
being carried out
B
carrying out
C
carried out
D
to carry out
 — If our government _____attention to controling food safety now, our health _____in danger.
#41267
A
won’t pay, is
B
doesn’t pay, is
C
won’t pay, will be
D
doesn’t pay, will be
I slept on the bed _________ I put my shoes.
#72712
A
where
B
on which
C
under which
D
in which