16 .——What do you think of ______ party?
——It couldn’t be better. It is ______ great success.
A .the ; a B .a; the C .the; the D .a; a
17. Since you have made a perfect plan, you’d better ______ in no time.
A. carry it off B. carry it out C. carry it down D. carry it up
18. I’m sure cars ________ by solar energy will be popular in the near future.
A. pressed B. controlled C. powered D. pushed