题目内容：

(B) 根据句意，写出括号内所给单词的适当形式。

1.Papi Jiang has been the ______ (hot) Internet star since last October.

2.The lady must be in her ______ (thirty) by now, but she still looks young

3.It’s not easy to find out the ______ (true) of the event in such a short time.

4.If you drink too much water all at once, it will ______ (simple) pass through you, with little or no good for your body.