--______are the Olympic Games held?

--Every four years．

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

--      are the Olympic Games held?

--Every four years.

(2006年合肥)

--- ________ are the Olympic Games held?

--- Every four years.

[　　]

---How often are the Olympic Games held？  ---_____four years.

- Could you tell me_______？

- Every four years.

A．how often the Olympic Games take place

B．when the Olympic Games are held

C．how often are the Olympic Games held

D．how often the Olympic Games were held