Ⅰ.单句语法填空
1．John caught his sister reading(read) his private letters.
2．He received an invitation to dinner，and with his work finished(finish)，he gladly accepted it.
3．I won't have you speaking(speak) to your dad like that.
4．It's wrong to leave the machine running(run)．
5．When I passed by his office，I heard my teacher singing(sing) a song.
6．The cooling wind swept through our bedroom windows，making(make) air conditioning unnecessary.
7．There is no greater pleasure than lying on my back in the middle of the grassland，staring(stare) at the night sky.
8．Finally I refused to attend classes, shutting(shut) myself in my room for hours.
9．Judging(judge) from the name, it is easy to guess that players can only join if they are fat.
10．I believe she lay awake at night thinking(think) up mean things to do.
