There are five people in my family.
我家有五個人
two boys
兩個男生
There are four people in my family.
我家有四個人
Two girls
兩個女生
There are seven people in my family.
我家有七個人
three boys and two girls
三個男生和兩個女生
There are six classmates in my class.
我們班有六個同學
two boys and two girls
兩個男生和兩個女生