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--How many times      he       abroad before?   --Never.

A．has ; been to       B．has ; been         C．has ; gone to       D．has ; gone

— ____ do you go to the library?
— Every week.

--_______ does she chat with friends on the Internet?

          --Once a week.

        A. How long B. How much  C. How many times  D. How often

 – How many times do you go to Hong Kong ?

A.Once       B. Twice a week.      C. Two times a week.      D. Fourth time.

— _______  do you use the Internet ?     —Twice a week.

A. How often   B. How soon   C. How long   D. How Many times