—Is that Tom in the teachers' office?--No, it ________ be him. He's gone to the hospital.
I couldn’t complete_______ the house_______ your support.
— Could I watch TV tonight, Mum? — Yes, you _______. But you _______ go to bed before 10 o’clock.
President Xi Jinping arrived_______ London_______ the evening of October 19th to pay a five-day visit to Britain.
—_______? — It’s very colourful.
The boy is crazy_______ computer games. It worries_______ his parents a lot.