问题补充:
On April 1st the westerners like to playon each other but they make sure that no one is hurt.
A. games
B. fun
C. hobbies
D. jokes
答案:
A. games
B. fun
C. hobbies
(答案→)D. jokes
解析:名词辨析。A游戏;B快乐;C习惯,爱好;D玩笑;固定词组play jokes on…作弄…;句意:在4月1号,西方人喜欢相互作弄。但是他们一定是没有恶意的。故D正确。