It --- five years since he left for Beijing. A.was B.had been C.is D.is going to be

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It --- five years since he left for Beijing. A.was B.had been C.is D.is going to be

It --- five years since he left for Beijing. A.was B.had been C.is D.is going to be
It --- five years since he left for Beijing. A.was B.had been C.is D.is going to be

It --- five years since he left for Beijing. A.was B.had been C.is D.is going to be
C
since he left for Beijing是指他动身去北京的那一时刻到现在,是一个包含了现在在内的一段时间.所以主句的谓语用一般现在时.
不明白的再问哟,请及时采纳,多谢!

C
只能用 is ,自从他去北京5年了, 5年表示 到现在5年了,到现在为止 他是一个事实, 客观事实 用一般现在时

B

b

D

B since 要用完成时态
他去北京有五年了~~~

C