Ⅰ.单句语法填空
1．__Knowing__(know) basic first-aid techniques will help you respond quickly to emergencies.
2．Shortly after suffering from a massive earthquake and __being reduced__(reduce) to ruins, the city took on a new look.
3．It’s no use __complaining__(complain) without taking action.
4．Lydia doesn’t feel like __studying__(study) abroad.Her parents are old.
5．We found it no good __making__(make) fun of others.
6．__Learning__(learn) new words is very useful to me.
7．We have to prevent the air from __being polluted__(pollute)．
8．He remained __standing__(stand) beside the table.
9．The flowers need __watering/to be watered__(water)．
10．In some parts of London，missing a bus means __waiting__(wait) for another hour.
