There is a police car our school bus. The policemen are watching the traffic.A. in front ofB.in the front ofC. in the front
—Would you like to climb mountains with me this Sunday? —I’d love to. But I _______ play table tennis against Class Three.
I think _______ our duty to keep our environment clean and tidy.
The Greens will have _______ holiday in China.
There are many shops on ________ side of the street.
—I’m sorry to keep you waiting for me so long. —_______