完成句子

1. My grandparents worked               (在田地里) ten years ago.

2. Life was ____     (不同的).

3. She cooked              (在炉火上) last night.

4. Mr Black is              (学汉语).

5. We live in              (一所大房子).

肺炎链球菌肺炎消散后肺组织结构的变化是

A．肺泡壁纤维化

B．恢复正常

C．细支气管狭窄

D．支气管扩张

E．肺大疱形成