______a teacher, John thinks that his duty is to help the students to become bet

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______a teacher, John thinks that his duty is to help the students to become better learners.[     ]
A. As
B. By
C. About
D. With

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举一反三

My pen pal often helps me _________ my English. [     ]
A. in
B. at
C. about
D. with

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This is a map _________ Japan.          [     ]
A. of
B. in
C. at
D. about

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His brother is lazy, he plays _________ his friends every day.           [     ]
A. with
B. for
C. on
D. to

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His father is a worker, he often works _________ night.          [     ]
A. at
B. in
C. for
D. during

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Henry works _______ us _______ waiter. [ ]
A. as; as
B. with; with
C. for; as
D. with; as

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