Soon after the mud-rock flow hit Zhouqu, Gansu Province, many soldiers came to the ______ as many people were trapped underground.
That coat fits me, but I can't afford to buy ________. I have to choose ________ that is cheap enough for me.
Difficult conditions will sometimes ________ a man's best qualities.
The process of growing up is complex for every person, ________ there are many influential factors in a person's growth as well as the development of his personality.
The doctor was busy writing an essay in ________ with his recent research.
A thousand words will not leave so deep an ________ as one deed.