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--- Where’s Mr Green? I haven’t seen him for days.

--- He _________ Canada. He _______ there three times.

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

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

---Where’s Mr. Green ? I haven’t seen him for a few days.

---He ________Canada. He _________there twice.

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

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