主语表示第三人称单数的有:he, she, it, 单个人名、单个人,单个事物、不可数名词做主语也视为单数;has是have的三单形式,is是be动词的三单形式
1、以下单词/词组做主语是三人称单数的有
A、Lily
B、His brother
C. we
D、The water
E、My friends
2、My mom _______ a new car.
3、Tom and his brother_______ many toys .
6、You_______ two pencils .
7、Dogs_______ two years .
10、Lily and Linda______good friends.