单项填空
1. Some people argue using ______ nature to meet our own needs may spell disaster, unless we start to look around and understand how ______ clean environment benefits us all.
A. /; a B. the; the C. the; a D. a; a
2. Jack ________ some French by playing with the native boys and girls when he traveled in France with his parents.
A. made up B. turned up C. picked up D. added up
3. me with the information, and you’ll get a sum of money, I promise.
A. Provide B. Providing C. If provide D. To provide
4. They urged that the library ______ open during the winter vacation.
