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1·I have a pen friend.

我有一名笔友。

2·Do you have a pen friend?

你有笔友吗？

3·I was writing to my pen friend.

我正在给我的笔友写信。

4·Sorry, I was replying to my pen friend far in Moscow.

对不起，我在给远在莫斯科的笔友回信。

5·My name's Zhao Ming and I'd like to be your pen friend.

我叫赵明，我想成为你的笔友。

6·She was his pen friend.

她是他的笔友。

7·I have a pen friend.

我有个笔友。

8·Everyone in Caitlin's class was supposed to choose a pen friend from another country.

凯特琳班上的每个人都应该选择一个来自其他国家的笔友。

9·I have a pen friend in America.

我在美国有一个笔友。

10·Hello. I'm your new pen friend.

你好。我是你的新笔友。

笔友

1·She was his pen friend.

她是他的笔友。

2·I have a pen friend.

我有个笔友。

3·Everyone in Caitlin's class was supposed to choose a pen friend from another country.

凯特琳班上的每个人都应该选择一个来自其他国家的笔友。

4·I met her as a pen friend in my home country of South Africa.

我的家在南非，最初我和红通过交笔友而互相结识。

5·Everyone should have a pen friend.

每个人都应该交一个笔友。