1.l have two _sisters__【sister】
2.How many __buses_【bus】are there in the street?
3.There are twenty ____boys_【boy】in my class.
4.Where are the two __men__【man】workers?
5.Today is ___Teachers'__【teacher】Day.
6.Are there any ___sheep__【sheep】near the mountain?
7.There are five _people____【people】over there.