The book is very interesting． It is well worth_______．（）

—Remember，boys and girls．_______ you work，_______ result you will get． —We know，Miss Gao． （）

A． The better; the harder 
B． The harder; the better
C． The hard ;the better 
D． The harder ;the good

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Diana，together with her friends，____Chinese in China.（）

A.study
B.have studied
C.studies
D.are studying

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