People try to avoid public transportation delays by using their own cars, and this ______ creates further problems. 

Thousands of works of art, ________ the most famous paintings, were ________ during the war.

 We should admit the fact that some families still can not afford their children going to school education, university ________.

In the worst-affected regions, many areas remain in chaos(混乱), with roads inaccessible, public transportation at a total stop and power and telecommunication networks completely ______.

The teacher called Tim’s mother __________ what he had done in the test.