1.It took years of work to reduce (reduce) the industrial pollution and clean the water.
2.Ignoring (ignore) the difference between the two research findings will be one of the worst mistakes you make.
3.These clubs give you the opportunity to play (play) a sport you love or learn a sport that is new to you.
4.In these cases, club members have to work hard to organize fundraisers and collect money to keep their sports going (go).
5.To answer correctly is more important than to finish (finish) quickly.
6.In recent years an English word “infosphere” has appeared, combining (combine) the sense of “information” and “atmosphere”.
7.(陕西高考改编)Back from his twoyear medical service in Africa, Dr.Lee was very happy to see his mother taken (take) good care of at home.
8.When he woke up he found everything, changed (change).
9.It's no use complaining (complain) without taking action.
10.Two thirds of the students interviewed (interview) say they are in favour of the idea.