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Mr Zhao in our school ever since 1982. [ ] A.has been taughtB.has been teaching

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Mr Zhao in our school ever since 1982. [ ] A.has been taughtB.has been teaching

Mr Zhao ________ in our school ever since 1982.

[]

A.has been taughtB.has been teaching C.is teachingD.was teaching

试题答案

答案:B

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