Students must obey school r____ at school.
问题描述：
Students must obey school r____ at school.
he's going to have an important meeting at 8:00p.m.t____.
you'd better s___ your problems with your parents or friends.
in english we say that "a problem s___ is a problem h____.
答
1 rules
2 tomorrow
3 share
4 A problem shared is a problem halved 众人拾柴火焰高