Look, read and circle. There is one example.
Giải thích

This is my brother.
This is my brother. (Đây là em/ anh trai tớ.)
This is my sister. (Đây là em/ chị gái tớ.)

This is my brother.
This is my brother. (Đây là em/ anh trai tớ.)
This is my sister. (Đây là em/ chị gái tớ.)