----________ Tom and his mother often watch tennis matches on TV?----Yes, they _________.
My mother is busy_____ the room.
The harder we work, the_____ result we will get.
–The classroom is_____ clean_____ it was yesterday. --Sorry, I forgot to clean it.
Every day the boss makes him_____ 12 hours.
—the help of Tian Sheng Yi Dui, many children have new school buses. —It sounds great.