30. Who are They?
(A) Mei-ting's grandparents.
(B) Mci-ting and her brother.
(C) Mei-ting's friends in Kaohsiung.
(D) Mei-ting's classmates in Nantou.

答案：登入後查看
統計： A(2), B(6), C(9), D(72), E(0) #2343456