根据对话意思和首字母提示完成单词。

　　Susan: Where are you going, David?

　　David: To Beijing.

　　Susan: It's along trip from here by bike. How long will it t you to complete it?

　　David: About two years.

　　Susan: How many of you are making the trip?

　　David: Five.

　　Susan: Ware you making it?

　　David: We are trying to r some money.

　　Susan: What will the money be used for?

　　David: To a charity c Protecting the Red­ Crowned Crane.

　　Susan: That sounds great. Good  l with your trip.

      David: Thanks.