赞 cui20070902 春芽
共回答了19个问题采纳率：73.7% 举报
可以有三种表达：
It is six years since he began to learn English.
It has been six years since he began to learn English
He began to learn English six years ago.
It is six years since he began to learn English.
It has been six years since he began to learn English
He began to learn English six years ago.
1年前
3
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