问题补充:
—Clean-Up Day is coming. How do we let more people know it?
—We could advertisements after school.
A. call up
B. hand out
C. put off
D. think up
答案:
A. call up
(答案→)B. hand out
C. put off
D. think up
解析:
词组辨析:call up回想起,hand out分发,put off推迟,think up想起,根据句意:清洁日要到了,我们怎么让更多的人知道呢?---我们可以放学后散发广告。选B。