—Simon is watching TV.—He's watching TV? He's ________to be cleaning his room.
I have been studying computer for years and I still ___.
The flower is dead. I ___ it more water.
I’m very happy ___ a chance ___ your school.
---Did you notice Tom was busy all day in his office? ---Oh, yes, he has just finished his business tour of Chicago. He has a lot of work to ___.
I was not bothered by his poor English ___ by his lack of manners.