It seems that living green is ______easy and affordable. A small step masks a big difference.
Mary is going to quit her job because she is tired of _____ by her boss every day.
I met Jennifer in the street _____ and she told me she would go to study abroad next month.
What we teach in the classroom should ______ students’ need in their studies..
Whenever she is in trouble, her parents always come to her_____, which makes her thankful.
I had wanted to clean out the basement ____, but unfortunately he came back before I did it.