根据对话的上下文，在横线上写出所缺少的内容。

A: Hello!

B: Hello?   1   Mrs. Green?

A: Yeah. Who’s that?

B:   2   Li Hua speaking. I called to ask for help with my English.

A: I’d be glad to help. What’s the problem?

B: I read very slowly.

A: Well, I have an idea that may help.   3   read more easy story books.

B:   4  . I’ll try that.

A: Also, I think reading after tapes can help a lot.

B:   5   for your advice.

A: You’re welcome. Goodbye.

B: Bye-bye.

— I have great _­­______ in learning math and I'm so worried. Could you help me?

— Sure. I'd be glad to.

A. trouble                 B. interest                      C. fun

-- I have great  __ in learning math and I'm so worried. Could you help me?

     -- Sure. I'd be glad to.

A. trouble              B. interest             C. joy                 D. fun

-- I have great  __ in learning math and I'm so worried. Could you help me?

     -- Sure. I'd be glad to.

A. trouble              B. interest             C. joy                 D. fun