In Britain today women ____ 44% of the workforce, and nearly half the mothers with children are in paid work.

Tens of thousands of people had ___outside the US embassy.

A lot of research and studies have shown that Trench oil, taken out from kitchen waste, ______ the increase of cancers.

One needs to work hard to realize his or her dream，as the saying goes”Hard work       success”．

They didn’t ________ the true meaning of what the boss had said, and thus their task almost completely failed.