题目内容：

根据句意及所给汉语提示，用恰当的短语填空。

1.Please ____________ (随便) to call me if you want my service.

2.____________ (就我所知), Jane works in Green Hospital as a nurse.

3.I have read ____________ (一部分) the book. I think it’s interesting.

4.This park is almost ____________ (和……一样大) that one.