题目内容：
She has taught in the school since 20 years ago． She has taught in the school __________20 years．
参考答案：
答案解析：
简答题：She has taught in the school since 20 years ago． She has tau
- 题目分类：公共英语一级
- 题目类型：简答题
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She has taught in the school __________20 years．