听力原文：M: Can you stay for dinner?
W: I'd love to, but I have to go and send some letters before picking up children from school.
Q: Where will the woman go first?
(2)
A.To the school.
B.To the post officE.
C.To a friend's housE.
D.To a restaurant.

A.Q:
B.To
C.
B.To
D.
C.To
E.
D.To
F.

【参考答案】

B
解析：推断题。女的要先去寄信然后到学校接孩子。before是关键。