More often, the air in Hangzhou is dirty because of _____.
— Why are you in such a hurry, Li Ping?— There a basketball match between Class One and our class in five minutes.
— A number of volunteers willing to work in poor areas in the western part of China.— Yes, the number is getting .
— Which do you like , a pear or an orange?— An orange.
— Excuse me. Could you tell me how I can get to Foster City Library?— Sorry, I don’t know. This is my time here.
Put on your coat, you will catch a cold.