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單項選擇題

Few students failed in the exam at the end of last term,（） ?

A.do they
B.didn’t they
C.don’t they
D.did they

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Father made his son（）by the door.

A.stands
B.stood
C.standing
D.stand

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Farmers use water in many ways.（） they use water to grow crops.

A.In fact
B.For example
C.Besides
D.Because of this