Had I known about this computer program, a huge amount of time and energy 　　　.

[2010浙江10]

　 A．would have been saved　　　　　　　 B．had been saved

　 C．will be saved　　　　　　　　　　　 D．was saved

（2010·浙江余姚中学高三第一次质量检测试卷）   22. —Bread _____butter？

　—Bread ______no butter, thanks a lot.

A. or；and 　B. and；but 　　　 C. or；but 　　 D. and；and

The traffic rule says young children under the age of four and ____ less than 40 pounds must be in a child safety seat. （2010浙江卷）

　A. being weighed　　 B. to weigh　　 C. weighed　　　　 D. weighing

（2010·浙江余姚中学高三第一次质量检测试卷） 25. China is the birth place of kites, ____ kite-flying spread to Japan, Korea, Thailand and India.

A. from that 　　　    B. from here 　　　   

C. from there 　　　  D. from where

（2010·浙江余姚中学高三第一次质量检测试卷）    21. Professor Li has ___ interest in history, especially in ___ history of Ming Dynasty.

A. an; x 　　 B. an; the 　　     C. x; the 　　　   D. x; an