用单词的适当形式填空

1. I must       (finish) my homework first.  

2. She       (have)       (get) up early yesterday.  

3. He       (not have to) finish the work today.  

4. My mother doesn't let me       (read) in bed.  

5.        (not talk). It's time for class.

纳税单位无偿使用免税单位的土地，纳税单位应照章缴纳城镇土地使用税。免税单位无偿使用纳税单位的土地，免征城镇土地使用税。 ( )