用所给词的适当形式填空。

1. You must do your homework by        (you).

2. The No. 15 bus        (stop) here, doesn't it?

3. It's better to do some reading on       (rain) days.

4. The Christmas card        (cost) me 5 dollars.

5. The winner of the        (woman) competition was a girl from Wuhan.

患者，女性，17岁，近两月胸闷，乏力，咳嗽，查体颈淋巴结肿大，心肺（-），胸片：肺门及纵隔淋巴结肿大，WBC72×10⁹／L，结核菌素试验（1：10000）48小时观察（+++），诊断应首先考虑（）

A.淋巴肉瘤

B.胸内淋巴结结核

C.支气管肺癌

D.淋巴细胞白血病

E.肺结节病