1. You'd better take out the trash. (改为否定句) 
    __________________________________
2. It's a very boring thing. (改为感叹句) 
    __________________________________  
3. I have to study for the math test.（改为否定句）
    __________________________________
4. She cleans her room twice a week. (划线部分提问)
    __________________________________
5. He's making his bed. (对划线部分提问)
   __________________________________

1. He has to clean his room himself. (一般疑问句)
    _______ he ________ clean his room himself?
2. You'd better take out the trash. (否定句)
    You'd better ________ out the trash.
3. It's a very boring thing. (感叹句)
    ________ it is!
4. She cleans her room twice a week. (对划线部分提问)
    ________ she ________ her room?
5. They took some photos there. (否定句)
    They ________ photos there.