—YourcolleagueisspeakingEnglis

—Your colleague is speaking English with fluency.
—It's no wonder．She ____ in the UK for a year as a visiting professor．

A．worked

B．has worked

C．had worked

D．has been working

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A．producing

B．to produce

C．having produced

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A．couldn’t help but go	B．couldn’t help but going
C．can’t help but to go	D．can’t help but going

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---_________．

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A．reflected

B．reflecting

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A．to

B．/

C．with

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