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Howtimeflies!Threeyearssinceibecameamiddleschoolstudent.A、haspassedB、havepassedC、passedD、passes
题目详情
How time flies!Three years _since i became a middle school student.
A、has passed B、have passed C、passed D、passes
A、has passed B、have passed C、passed D、passes
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答案和解析
A,因为后面有since,所以是从过去到现在.用完成时,然后three years 就是个时间,后面has用单数形式就行了
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