单数句变成复数句
问题描述：
单数句变成复数句
1.He is a doctor.
2.She is a musician.
3.This piano is black.
4.What's your telephone number?
5.The box is big.
6.Where is your computer?
答
1.They are doctors.
2.They are musicians.
3.These pianos are black.
4.What are your telephone number?
5.The boxes are big.
6.Where are your computers?
绝对正确.