问题描述：
kind weekday 和weekend的区别
kind 可以这样用么classical music is a serious kind of music
a adj kind of sth 还是这句话怎么改
这题要选什么
i get up early___weekays but i get up late__the weekend.
A.on on B.at at C.on at D.at on
kind 可以这样用么classical music is a serious kind of music
a adj kind of sth 还是这句话怎么改
这题要选什么
i get up early___weekays but i get up late__the weekend.
A.on on B.at at C.on at D.at on
问题解答：
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