嗜酸性淋巴肉芽肿最常见的发生部位为（）。

A.颊部

B.口底

C.腮腺区

D.颌下区

E.颏下区

根据所给汉语提示，写出空缺处单词正确形式

1. He is busy with __________(研究) work.

2. My mother was always __________(通情达理)

3. We sell __________(活的) fish.

4. The heavy rain __________(造成) the floods

5. The baby needs __________(喂养).