Last year,there were 15 students in our team.This year,there are 20 students in our team.改为同义句

问题描述:

Last year,there were 15 students in our team.This year,there are 20 students in our team.改为同义句

Last year, our team has 15 students. This year, the number of our team is 20

there are 15 students in our team last year and 20 students this year.