President Obama and visiting Chinese president Xi Jinping held talks on a private property, _________ the first official meeting since the two countries changed their leadership.
After the new technique was introduced, the factory produced ______ tractors in 1998 as the year before.
—Do you know the tall man ______ to Mr. King over there? —Sorry, I don’t know him.
. Can you ______ your sister from that group of girls?
Because of her fear of flying, Alice would rather take a long train journey ______ travel by air.
The singer and the dancer ______ come to the meeting.