I've achieved a lot in my study, thanks to ____ who helped me.
In the questionnaire, the subjects are questioned whether they _________ banning cars in the city center.
For Linda, to be admitted to such a good university is the beginning of a new life, ________ she thought she would never see.
Once a schedule is made, by strictly _________ it, you can avoid putting off till tomorrow what should be done.
—You have just 15 minutes to get to the airport.—All right, I guess I can ________.
Let’s make good use of our energy and_________ wasting water, electricity, paper and so on.