I,me,he,him,she,her,it,we,us,you,they,them,mine,my,hers,our,your,theirs,
yours
A:Is this shirt (
B:No,( )isn’t( ).Maybe it's peter's.
A:It isn't ( ).That black one is( ).
B:Is this Lingling's?
A:Let( ）go and ask（ ）
B:OK!