---- I’m leaving for Canada on a study trip next week.---- _____.

—Open the window please, Mike.—____________? I didn’t hear what you said.

--- Must I do the rest of the work today?--- No. You _________  finish it tomorrow.

---Excuse me. Could you please tell me where I can get the dictionary?  ---__________. There’s a bookstore on Yimeng Road. 

David,an ＿＿boy can write in Chinese.