1. run out of
【用法】
★ run out of 意为“用完（某物）”，其主语多为表示人的名词或代词。如：
Tom is always running out of money before payday.
★ run out意为“用完”，其主语常为表示时间、食物、金钱等的名词。如：
We must act now because time is running out.
【考例】Food supplies in the flood-stricken area _____. We must act immediately before there’s none left. (重庆2012)
