—Did Jack come back early last night?
—Yes. It was not yet eight o' clock he arrived home
A．before B．that C．when D．until
After five hours' drive, they reached they thought was the place they had been dreaming of
A．that B．what C．which D．where
— Cheer up! You might be granted second chance for it.
—Not possible, since no such thing has ever happened before
A.a ; a B. the; a C. a;不填 D. the;不填
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.
A. marking B. to mark C. marked D. to be marked
While every possible means __________ to prevent the river pollution, the river in my hometown has still not been restored to its past beauty.
A. is tried B. are tried
C. has been tried D. have been tried
Talk to anyone in this country ________ you will find education and food safety are the problems of top concern.
A. thus B. or C. then D. and
