我能给字组更多的词。
洗____ ____ ____ 胜____ ____ ____
被____ ____ ____ 唱____ ____ ____
There ______ a large number of students in our school. The number of the students _______ over three thousand.
判断对错.
约分和通分都是改变分子、分母的大小,分数大小不变.