-Do you know the girls who are in the living room? -Yes, they are my classmates. They are celebrating Lucy's _ birthday. A .thirteen B. the thirteenth C. thirteenth
—Sam, come downstairs, please. I need your help.—Sorry,mum. I on the phone..
The workers in the Huashan Mountains have to rubbish to keep the mountains clean.
I am going to the supermarket to buy some this afternoon.
— can I get the book if I order it today? — In a week.
—Who did you go to the movie ? —Nobody. I went alone.