Question

3. When you talk with a stranger,be       one thing:don't talk much about yourself.

   A. interested in   B. careful about

   C. good at   D. frightened of

Answer 1

3. B

句意:当你跟陌生人谈话时要注意一件事:对你自己的情况别说太多。

be interested in 对 感兴趣；be careful about当心 ，注意 ；be good at 擅长 ;be frightened of 害怕……。根据句意可知选B.