一、选择填空 在A、B、C、D四个选项中，选出可以填入空白处的最佳选项.（本大题共14小题，每小题1分，共14分）
1. _ _____ exciting news it is! Our government is doing something to stop the haze(雾霾).
A. What B. What an C. How D.How an
2. Johnson was the first on the list of the famous stars because he was the richest ___ them.
A. with B. in C. to D.among
3. of the surface of the earth covered with water.
A. Seven-tens...are B. Seven-tens…is C. Seven-tenths...is D. Seven-tenths...are
4. Don’t forget to __________ your school things when you have finished your homework .
A. put out B. put up C. put down D. put away
