24、After the new technique was introduced, the factory produced ______ tractors in 1998 as the year before．
A．as twice many B．as many twice
C．twice as many D．twice many as
23、Paris is________most beautiful city，where you can see_______famous Eiffel Tower．
A．a；the B．a；不填 C．the；a D．不填；the
22、--It was 3 o'clock_______we arrived at the village.
--Oh，it was also at 3 o’clock______we arrived at the village.
A．when；when B．that；when C．that；that D．when；that
21、I really don’t think my best friend will be angry, but I’11 go and see her，in case she _______.
A．will be B．is C．does D．has been
20、People have always been curious _________ how living things on the earth began.
A．in B．at C．of D．about
19、-- Could I use your computer for a few moments, please?
--- ________. I’m not using it myself.
A．Come on B．It depends C．Go ahead D．That’s great
18、I'm happy that you agreed to work with us again and I look forward to______you next week．
A．being seen B．see C．seeing D．having seen
17、I wrote a letter of complaint（投诉），and the airline have promised to _______the matter．
A．look at B．look into C．look after D．look out
16、When the old man _______to walk back to his house，the sun________itself behind the mountain．
A．was starting；hid B．had started；had already hidden
C．had started；was hiding D．started；had already hidden
15、I spent five hours_____________ the book__________ I paid 10 dollars.
A．reading; that B．to read; for that C．read; which D．reading; for which