The students are required to ________ the main ideas of the article in their own words.
A、symbolizeD
A象征B最小C同步D概括
He was specifically asked to write a play that would be ________ to the local community.
Thevehiclewastravelingatspeeds________90milesperhour.
Neverbefore_______sorapidlydevelopingasitistoday．
Never before _______ so rapidly developing as it is today．
People who can ’t _______ between colors are said to be color -blind.
