The boy often plays ______trick on his father on _______April Fools` Day.
问题描述：
The boy often plays ______trick on his father on _______April Fools` Day.
A.the;a
B.the;the
C.a;/
D./;the
答
选C
play a trick on 固定词组,开玩笑.
在具体的某一天用on+ 时间,中间无冠词