Question

句型转换

1. 昨天他不得不早起床赶公共汽车。    
He          get up early to catch the bus yesterday.  
2. 现在我必须做作业。
I          do my homework now.
3. I had to get up early yesterday.(改为否定句)
I               to get up early yesterday.  
4. She has to clean the room every day. (改为否定句)
She               to clean the room every day.  
5. I can dance and sing. (改为否定句)
I        dance        sing.  
6. The students can eat in the hallway.(改为一般疑问句)    
       the students        in the hallway？

Answer 1

1. had to  2. must  3. didn't have  4. doesn't have   5. can't; or    6. Can；eat