the school library is open from 10 a.m.to 9 p.mthe school library is open from 10 a.m.to 9 p.m.同义转换the school library 10 a.m.and 9 p.m.

问题描述:

the school library is open from 10 a.m.to 9 p.m
the school library is open from 10 a.m.to 9 p.m.同义转换
the school library 10 a.m.and 9 p.m.