a unmber of 造句

分类: 作业答案 • 2022-01-07 12:08:25

问题描述：

a unmber of 造句

答

a number of
许多的
A number of new products have been successfully trial-produced.
许多新产品已试制成功.
许多的
A number of students in the classroom.教室里有很多学生.