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Mrs Green ____ (teach) English in a middle school.She ____ (

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Mrs Green ____ (teach) English in a middle school.She ____ (begin) to teach there in 1993.
还有一道 Mr Black ____ China for many years.
A.has been to B.has come to
C.has been in D.came
Mrs Green ____ (teach) English in a middle school.She ____ (
Mrs Green teaches (teach) English in a middle school. She began begin) to teach there in 1993.
第一空是一贯的动作,所以用一般现在时
第二空有时间状语【in 1993】所以用一般过去时
Mr Black ____ China for many years.
A. has been to B. has come to
C. has been in D. came
选C
因为后面有【for many years】所以用现在完成时,又因为是一段时间,所以用持续性动词in
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