Not until then _____ their marriage was breaking up because they had little in common.
A．did I realize B． I realized C．had I realize D．has I realized
Little Bob is often educated by his parents to be good and friendly to anybody even if ________.
A．attacking B．is attacked C．to be attacked D．attacked
The big snow caused great ________ to the people living in the south of China, ________ some of them homeless.
A．destroy; left B．damage; leaving
C．ruin; having left D．wound; leaving
The museum he paid a visit ________ at the end of the street.
A. stand B. stands C. to stand D. to stands
It is required that the football match___________put off ________ the bad weather.
A. be; thanks to B. be; due to C. was; thanks to D. was; owing to
The World Expo 2010 is being held at a time the world is looking for a new kind of balance between nature and cities．
A．which B．where C．when D．that
