.Most farmers live at_____________mercy of nature where few water storage equipment is in________use.
一Come on!Join us for jogging.——Thank you,but_____________
---What do you think of our design for the new car? ---Pretty good. But I find theirs is _____ worth considering and study.
Obama, _____ president of the USA, won _____ Nobel Prize for Pease in 2009.
Women’s earnings are well below men’s _____ educational difference that are decreasing between the two sexes.