With the fast development of agriculture, the people, ______ village she taught ten years ago, have lived a happy life.

There is no experience you can have ________ is more exciting than skating on real ice．

He asked ______ they would hold the meeting _____ it rained the next day

Look, what Father _____ me when he came home from work!

With the crop’s production _____ rapidly, food price is _____ year by year.