—Did you      your pen friend yesterday?
—Yes. He told me he would to on a visit to America.
A. hear about          B. hear from       C. hear of

The following are all traffic signs except    .

He did his best to make them     what he meant, but it didn’t help.
A. understood          B. understand          C. to understand

—I’m going to spend my summer holidays in Hawaii.
—How lucky!      And don’t forget to send me a postcard.
A. That sounds good.    B. Have a nice trip!   C. Good luck.

—How beautiful the MP4 is!
—Yes. This kind is my favorite, but I can’t    it.
A. afford           B. spend        C. pay