问题
_____, in some countries, people can play tricks on each other before noon on April 1 but they’ll be foolish if they do it in the afternoon.
A:By nature
B:By standard
C:By tradition
D:By law;
B:By standard
C:By tradition
D:By law;
正确答案是：
同类题型
_______is good to relax by watching games.
My parents always keep me ________ computer games on school days，so I can only play on weekends.
Just as Professor Scotti often it,success is ninety-nine percent mental attitude.[ ]
I’m afraid I can’t go to the partytomorrow. –_______ you told me you would.