品句填词
Some university graduates ask to be sent to work in________(偏远的)and poor rural areas.
How to develop the economy in some________(山区的)areas is a big problem for the government.
________(肥沃的)farmland mustn't be used for building.
Would you be interested in________(交易)your apples for our tomatoes?
The path grew________(陡峭的)as we climbed higher.