题目内容：

同义句转换
You're kind to say so.
___kind___ ___to say so.
He usually uses a pen to write.
He usually ___ ___a pen.
Mike is 13 years old.
Mikeis ___ ___boy.
It was snowing,but it was not very cold.
It was not very cold___it was snowing.

优质解答

You're kind to say so.
__It's _kind_of you__ ___to say so.
He usually uses a pen to write.
He usually _writes in__ ___a pen.
Mike is 13 years old.
Mike is _of 13__ ___boy.
It was snowing,but it was not very cold.
It was not very cold_although__it was snowing.