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單項選擇題

An adviser said in China（）course should be developed in some Universities, one year at work, one year college.

A.a sandwich
B.a salad
C.a macaroni
D.a dinner

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單項選擇題

I prefer to live in the countryside. Country life has a lot of（）over city life.

A.character
B.qualities
C.advantages
D.ways

單項選擇題

You should make（）your house or flat is secure.

A.sure
B.certain
C.understanding
D.knowledge