句子改错：I (A.have been) (B.learning) English (C.since) I (D.have been) ten.

题目

句子改错：I (A.have been) (B.learning) English (C.since) I (D.have been) ten.

答案

D was
我十岁相当于现在是过去式 所以用过去式
不懂再问 学习进步 及时采纳~