I need a pen to write with.

我需要一支钢笔写字。

youdao

I need a pen to write with.

我需要一支笔写字。

youdao

I need a pen to write a letter.

我需要一支笔写封信。

youdao

I need a pen to write a letter.

我需要一支笔写封信。

youdao