(用所给单词的适当形式填空) 梂hat do you think of　________　(swim) in the river?

　　桹h， it's too dangerous．

(用所给单词的适当形式填空) She will finish the novel　_________　(successful)．

(用所给单词的适当形式填空) America is a　_________　(develop) country， but China is a　_________　(develop) country．

(用所给单词的适当形式填空) Running is a very　______　(relax) activity．

(改为同义句) Collecting tickets is very interesting．

　　_________ _________　very interesting　________ _________ _________．

(改为同义句) Finally，they found the lost bike．

　　They found the lost bike　_________ _________ _________．

(改为同义句) Tom collected stamps at the age of 7．

　　Tom　________ ________ _______　of stamps at the age of 7．

(改为同义句) They live in America， but they always eat Chinese food．

　　They live in America，but they eat Chinese food　_______ ________ ________．

(改为同义句) What's the matter with Williams?

　　________ _________ _________　Williams?

(根据句意和首字母提示补全单词) I will give an i _______　on Starsearch．