President Xi Jinping paid______important visit to the US in 2017．
And he was warmly welcomed by Donald Trump，_____45th American president．（ ）
A．a； theB．an； theC．the； aD．an； a
President Xi Jinping paid______important visit to the US in 2017．
And he was warmly welcomed by Donald Trump，_____45th American president．（ ）
A．a； theB．an； theC．the； aD．an； a
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