--- Where is your mother?
--- She _______ to Sichuan on business. She has ______ there four times recently.
| A．has gone; gone | B．has been; been |
| C．has gone; been | D．has been; gone |
--- Where is your mother?
--- She _______ to Sichuan on business. She has ______ there four times recently.
| A．has gone; gone | B．has been; been |
| C．has gone; been | D．has been; gone |
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