填入适当的词补全对话，每空一词。

A: Are you ready    1   the trip to the Silk Road?

B: Almost.  I packed a camera and a   2   of new sandals( 凉鞋).

A: Did you read books   3   the Silk Road?

B: Do you think I should     4  some books?

A: Yes. It will help you understand more about the Silk Road.

B: I see, but I only have two days to read.

A: Don't worry. You   5   have to finish it.

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