Giving up my job to go back to full-time education was a big __________, but now I know it was the best decision I ever made.
A.project B.commitment C.competition D.ambition
（2014·湖南）All we need _________ a small piece of land where we can plant various kinds of fruit trees throughout the growing seasons of the year.
A.are B.was
C.is D.were
It was________of Michael to inform us of his delay in case we got worried.
A.careless B.considerate C.patient D.Generous
The little pupil took his grandma the arm and walked her across the street.
A.on B.by
C.in D.at
Human life is regarded as part of nature and, as such, the only way for us to survive is to live_________nature.
A. in view of B. in need of C. in touch with D. in harmony with
More expressways ________ in Sichuan soon to promote the local economy.
A.are being built B.will be built
C.have been built D.had been built
