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– You seem to know much about the city.

– That’s true. I _______ it four times in the last three years.

A．visited            B．am visiting         C．have visited        D．will visit

– You seem to know much about the city.
– That’s true. I _______ it four times in the last three years.

– You seem to know much about the city.

         – That’s true. I _______ it four times in the last three years.

             A. visited       B. am visiting            C. have visited     D. will visit

 –You seem to know much about the city.

   --That’s true. I __________ it five times in the past two months.

   A. visited          B. am visiting         C. have visited              D. will visit