It is said that ______ regularly is good for us, for we can know whether we are healthy or not. [ ]

A. examined

B. examining

C. being examined

D. having examined

请你也来写一写。

例：刘爽是我的好朋友。

　　我的好朋友是刘爽。

（1）李小青是我们班的劳动委员。

__________________________________

（2）王阿姨是妈妈的同学。

__________________________________