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1---How long__________?

---For two years.

A. have you left my hometown         B. have you come to the city

C. are you staying in the city       D. are you going to your hometown

--____are you staying in Ottawa?

--About two weeks.

A. How many B. How long C. How far D. How soon

---______ are you staying in Beijing?

----For a week.

一______are you staying in Tibet?
—Just for four days．

---______ are you staying in Beijing?
----For a week.