We have learned English ________ six years.A.since B.for C.on-八年级英语

题目简介

We have learned English ________ six years.A.since B.for C.on-八年级英语

题目详情

We have learned English ________ six years.
A.since                  B.for                     C.on
题型:单选题难度:中档来源:不详

答案

B
此题考查介词for和since在现在完成时中的区别,for后跟段时间,since后跟点时间,都表示段时间。

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