______ the incorrect operation of the driver in the emergency, the terrible December 8th accident on the Chengzilu Freeway in Sichuan could have been avoided.
Some kinds of animals can change their color with _______. A. conditions B environment C. surroundingsD. situation
The headmaster has a particular way of_____her students nervousness when they speak.
Gathering clouds________the coming storm.
In ____Chinese culture, marriage decisions were often made by parents for their children.
_______man must fear when travelling in space is radiation from the sun.