---Listen, Mum. I heard the footsteps. Is it Dad? ---It ___ be him. He’s gone to Beijing on business this morning.
The policeman caught the drunk driver, but he didn’t remember ________ the old lady.
After the conversation with the teacher, Jenny’s mother looked a little ________.
We just hope that Tom will bring ________ good news back home this time.
Every year the world’s top tennis players _______ to Shanghai to compete against each other.
You’d better book the tickets as early as possible, ________ they will be sold out soon.