Question

【题目】— Whose apples are these?
— They're apples.
A.they
B.them
C.theirs
D.their

Answer 1

【答案】D
【解析】they 是主格的人称代词，them是宾格的人称代词，theirs 是名词性物主代词，后面不需要跟名词，their是形容词性物主代词，后面要跟名词，名词apples的前面用形容词性物主代词。故选D。