练习：
1.A without B with C having D selling
2.A run by B changed by C decorated by D criticized by
3.A slow B deaf C blind D lame
4.A Alarms B Alarm C The alarm D The alarms
5.A noise B sound C music D bell
6.A watched B produced C learnt D heard
7.A where B what C that D how
8.A smoked B smoke-filled C filled with smoke D smoke-filling
9.A has taken B takes C took D will take
10.A on B near C without D from
11.A processes B produces C possesses D proceeds
12.A feature B quality C diagram D source
13.A basis on B base on C basing on D based on
14.A or B and C but D otherwise
15.A developed B determined C discovered D delivered