听力原文:M:Excuse me where’s the manager’s office?W:It’s on the second floor.Q:On which fl

外语类 听力,原文 已帮助 人

听力原文:M:Excuse me,where’s the manager’s office?

W:It’s on the second floor.

Q:On which floor is the manager’s office?

(9)

A.The first floor.

B.The second floor.

C.The third floor.

D.The fourth floor.

热搜:th2细胞主要分泌的细胞因子