选择哪个?（） ten years since his father left his home town.
选择哪个?（） ten years since his father left his home town.
A.It was B.There was c.There is D.It is
A.It was B.There was c.There is D.It is
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您好! 选择A It is(has been) 后是表示一段时间的短语,since后通常用一般过去式,since后从句如用短暂性动词,表示动作已开始了多长时间了；since后从句如用延续性动词,则表示动作已结束了多长时间了.如果主句是一般过去时,从句则用过去完成时.例如： It is (has been) 5 years since his father died. 他父亲死了五年了. It is (has been) 5 years since his father worked here. 他父亲不在这里工作已五年了. 望您采纳,谢谢您的支持!
1年前
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