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一、词汇复习 根据Reading部分的文章将短文补充完整 The holiday is coming.Toby and his older brother Colin have been busy 　 　 an 　 　 to Africa where they will do some 　 　 things.  They will be taking a 　 　 to Africa and are going to ride camels through the biggest desert in the world—the Sahara Desert.The trip will take six days 　 　.In the beginning,they are going to travel by camel through the Sahara Desert.And Toby thinks it is 　 　 to sit on a camel for almost a week. 

arranging　

adventure　

extraordinary　

flight　

altogether　

uncomfortable