---I don’t think sixteen-year-olds _______ to drive.---I agree. They aren’t serious enough at that age.
---Let’s ______ after dinner. It’s good for our health. --Good idea.
---Who ______ is going to have lunch in the school dining hall? ---Lingling.
All the parents are ______ watching the children’s programme.
There is ______ here and there. Please help me sweep it away.
---Is Betty going to the park? ---____________.