—Where have you _____? —I have _____the teachers’ office.
| A．gone; gone to | B．gone; been to |
| C．been; been to | D．been; gone to |
—Where have you _____? —I have _____the teachers’ office.
| A．gone; gone to | B．gone; been to |
| C．been; been to | D．been; gone to |
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