根据首字母和汉语提示用单词的正确形式填空（共10小题：每小题2分，满分20分）Prices of s_____ foods such as wheat and rice have also been increasing.
The new drug might help save the lives of cancer v_____.
The road n____ to a path as we walked towards the mountain.
Family photographs were d_____ on the wall so that the guests could have a good view of them.
We import raw materials and energy and e_____ mainly industrial products.
We put the right hand over the left and bow _____ (轻微地).
I am ______(怀疑的) about his chances of winning.
_____ (包围) with heavy homework and endless tests, the students have no time for recreation.
It is very _____(慷慨的) of him to lend his newly-bought bicycle to you.
Everyone can greatly improve the _____ of life.