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34．—Your colleague's spoken English is beautiful, Lily．
—It's no wonder．She ____ in the USA for a year as a visiting professor．
A．worked B．has worked C．had worked D．has been working
查看习题详情和答案>>—Your colleague's spoken English is beautiful, Lily．
—It's no wonder．She ____ in the USA for a year as a visiting professor．
A．worked B．has worked C．had worked D．has been working
查看习题详情和答案>>—Your colleague's spoken English is beautiful, Lily．
—It's no wonder．She ____ in the USA for a year as a visiting professor．
A．worked B．has worked C．had worked D．has been working
查看习题详情和答案>>—Your colleague's spoken English is beautiful, Lily．
—It's no wonder．She ____ in the USA for a year as a visiting professor．
A．worked B．has worked C．had worked D．has been working
查看习题详情和答案>>
34．—Your colleague's spoken English is beautiful, Lily．
—It's no wonder．She ____ in the USA for a year as a visiting professor．
| A．worked | B．has worked | C．had worked | D．has been working |