介绍:
Day18
1许多学生加入了英语俱乐部。
A number of students joined the English club.
2他们的数量是120.
The number of them is 120.
3我们都是好朋友。
We are all good friends.
4孩子们一放学就回了家。
Children return home when school is over.
要点：
①a number of许多，大量。谓语动词用复数
②the number of-----的数量，谓语动词用单数
③return home 返回家
大家还在听
