问题描述：
英语翻译
I knew him two years ago.[ ]
I met him two years ago.[ ]
I know him.[ ]
I have known him for two years.[ ]
We met in college.[ ]
Glad to know you.[ ]
Glad to meet you.[ ]
I haven't seen him for a long time.[ ]
How long haven't you seen him [ ]
How long has it been since you've met him [ ]
I knew him two years ago.[ ]
I met him two years ago.[ ]
I know him.[ ]
I have known him for two years.[ ]
We met in college.[ ]
Glad to know you.[ ]
Glad to meet you.[ ]
I haven't seen him for a long time.[ ]
How long haven't you seen him [ ]
How long has it been since you've met him [ ]
问题解答：
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