# 1選擇題The _______ tail is very long. This sentence describes the tail belonging to a single cat.catscat’scats’cat
# 2選擇題The _______ toys are scattered everywhere. This sentence talks about toys belonging to more than one child.childrenchild’schildren’schildrens’
# 3選擇題That is my _______ book. This sentence indicates that the book belongs to one brother.brothersbrother’sbrothers’brother
# 4選擇題The _______ desks are clean. This sentence refers to desks belonging to multiple students.students’student’sstudentsstudent