题目内容
My father has been teaching me French ______ I was a child.A. when B.since C.while D.for
答案:B
解析:
解析:
| 由since引导的时间状语从句,主句一般要用完成时态。
|
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题目内容
My father has been teaching me French ______ I was a child.A. when B.since C.while D.for
| 由since引导的时间状语从句,主句一般要用完成时态。
|