用所给词的适当形式填空。

1. If I             (fail) the exam, you wouldn't be so happy.

2. If I             (be) there, I would stop him from doing so.

3. If it             (be) fine tomorrow, we             (go) shopping.

4. He             (help) us if he had time.

5. He showed us how              (get) to the hall with the ID card.

肺癌，气阴两虚型，咯痰不利，痰少而黏者，宜加用

A．苦寒
B．香燥
C．滋腻
D．甘寒
E．食疗