完成对话从方框中选择正确选项(方框中有一个选项与对话内容无关)。

A. Why do you think so? B. It can't be her. C. Then let's visit her when she is back. D. What's the meeting about? E. Who's she? F. When did she go?

A: Hey. Jenny. Look at the woman standing at the school gate.

B: It must be our teacher, Mrs. Smith.

A: No.

B:

A: Because she has gone to Shanghai for a meeting.

B:

A: It might be about the changes in the new textbook.

B: When will she come back?

A: She could be back the day after tomorrow.

B:

A: OK.