Are you concerned your mother when she is out in Africa?
| A．about |
| B．in |
| C．at |
| D．over |
．Most farmers live at_____________mercy of nature where few water storage equipment is in________use．
| A．／；／ | B．the；the | C．a；／ | D．the；／ |
一Come on!Join us for jogging．
——Thank you，but_____________
| A．I’m with you on that． | B．how come? |
| C．it’s not my cup of tea． | D．it’s up to you． |
---What do you think of our design for the new car?
---Pretty good. But I find theirs is _____ worth considering and study.
| A．more | B．very | C．better | D．well |
Obama, _____ president of the USA, won _____ Nobel Prize for Pease in 2009.
| A．\; a | B．a; the | C．\; the | D．the; a |
Women’s earnings are well below men’s _____ educational difference that are decreasing between the two sexes.
| A．in favor of | B．in case of | C．in terms of | D．in spite of |