My father is a driver. Now he is driving _____ the bus.
--It is snowing outside. Let’s build a snowman ?--Good idea..
--Would you like to have apple?--No, thanks. I am full.
--What do you think of this film?--Great. It is the best film I have ever seen.
--Must I go there right now?--No ,you .They may go there later.
--Were Tom and Jack at home?-- of them was at home. They were both in the park.