问题：
听对话，回答问题： 1. Hellen will _____ this afternoon.
[ ]
A. go to a lecture
B. have a test
C. have a talk 2. Mr. Brown"s talk is about ______.
[ ]
A. traffic
B. pollution
C. study
听对话，回答问题： 1. Hellen will _____ this afternoon.
B. have a test
C. have a talk 2. Mr. Brown"s talk is about ______.
B. pollution
C. study
[ ]
A. go to a lecture B. have a test
C. have a talk 2. Mr. Brown"s talk is about ______.
[ ]
A. traffic B. pollution
C. study
参考答案：