从下列各题所给的A、B、C、D四个选项中,选择可以填入空白处的最佳选项。
( )21. Those photos ______ nice.
A. are B. is C. be D. am
( )22. Your father’s parents are your ______.
A. uncles B. aunts C. grandparents D. cousins
( )23. —Is John your brother? —Yes, ______ is.
A. she B. he C. it D. that
( )24. Anna is my aunt’s daughter, so (所以) she is my _______.
A. parent B. sister C. brother D. cousin
( )25. Thanks ______ your pencil.
A. for B. at C. in D. to
