Ⅰ.单句语法填空
1．The machine is ________ of order and doesn't work.
【答案】 out
2．You will be in a condition ______ you are sitting on top of the world.
【答案】 where
3．Smoking too much may contribute ______ lung cancer and cause other diseases.
【答案】 to
4．When he grows up，he is so successful that he takes pride ______ his hard work.
【答案】 in
5．There was ______ time ______ I lived on the farm happily.
【答案】 a；when
6．Nowadays people like buying the bicycles ______ frames and wheels are relatively small.
【答案】 whose
7．The reason ______ she gave for being absent from class was ______ the heavy snow prevented her coming.
