Jack ____a postman for about six years.A has become B has turned C has changed D has been

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Jack ____a postman for about six years.A has become B has turned C has changed D has been
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Jack ____a postman for about six years.A has become B has turned C has changed D has been
Jack ____a postman for about six years.
A has become B has turned
C has changed D has been

Jack ____a postman for about six years.A has become B has turned C has changed D has been
D 杰克做邮递员7年了
现在完成时态必须用延续性动词,所以选D

选择D
其余选项的动词都是不可延续的动作,因此不能选

应该用持续性动词完成时,那么就选D
前三个都不是持续性动词

D

D