Look at the smog (雾霾). bad weather it is!
---Must Jack come to sign his name on the paper? ---Yes, he_____ .
— Could you tell me____________? — Over there.
Jenny __________in the kitchen when you called her at 5 o’clock this afternoon?
— Peter is _______ than you, right? —Yes, but he is _______ runner in our class.
— Jenny, would you please_______ my dog when I am away. — No problem.