--Can I get you a cup of coffee?
--___________________.
--Can you play __________?
--No, but I can play ________.
--David has done a good job.
-- ______and ________.
---________ do you usually have an art lesson?
---Twice a week.
--This is _______ useful book, I think.
--So it is, and it's ________ unusual one.
--Where's my school bag, Jim?
--Mother put it in your bedroom this morning, ________?
--How do you like _______ him?
--He is very humorous. I really love it.
-- ________ has David been studying Chinese in China?
--Two years.
--Have you ever been anywhere for a trip?
--A trip? I ________ away from my hometown even once.