John______a college student for more than a year.A、isB、has beenC、has becomeD、

游客2025-07-30 9

问题 John______a college student for more than a year.

选项 A、is
B、has been
C、has become
D、became

答案 B

解析 for more than a year提示要用完成时态，且动词应该是延续性动词。所以选B。

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