--- You swim really very well.
--- Thank you. I have worked hard at it. I ________ for 10 years.
---What are you going to do?
---I'm going to the market to do some ________.
---________ that ________ English?
---________ a pen.
---________ do you spell book?
---B-O-O-K.
---________ you spell it?
---Yes, I can.
---________, is that your dictionary?
---Yes, thank you.
---Hello. Is that Mr Wang?
---Yes, ________?
--____ did he work on it ?
--From 1904 to 1909.
--When did you return?
--_______.
--Have you ever ______________ anywhere abroad?
--Yes, I have been to Canada.