______ must be done to solve this problem.
______ must be done to solve this problem.
A、Everything
B、Something
C、Some thing
D、Anything
【正确答案】:B
【题目解析】:everything意为“一切,每件事“;something意为”某事,某物“,用于肯定句中;some thing意为”一些东西“;anything意为”任何事情“,常用于否定和疑问句中。句意:必须采取措施来解决这个问题。