题目:
The United Parcel Service plans to convert its more than 2,000 gasoline-powered trucks in the Los Angeles area to run on cleaner-burning natural gas.
选项:
A、to convert its more than 2,000 gasoline-powered trucks in the Los Angeles area to
B、to convert its more than 2,000 trucks in the Los Angeles area that are powered by gasoline to
C、on converting its more than 2,000 gasoline-powered trucks in the Los Angeles area that will
D、for its more than 2,000 gasoline-powered trucks in the Los Angeles area to convert to
E、that its more than 2,000 trucks in the Los Angeles area that are powered by gasoline will convert to
答案:
A