14.This is our contribution to______world of the 21st century, world of independence and mutual understanding.
The headmaster suggested the problems referred __________ discussed immediately.
When he was awake, she found she was lying on _______ seemed to be a piece of stone.
—It seems impossible for you to cover that long distance1! —In no way ___________give up.
The most important words in this sentence have been ________ ,so it doesn’t make any sense.
American women usually identify their best friend as someone ________they can talk frequently.