Those who suffer from headache will find they get _______from this medicine.

I am considering changing to a more interesting job, as the present job, which requires a lot of _______, nearly bores me to death. 

Mr Smith has a lot of business______. I know by______ that this man cannot be trusted.

一 Why do you choose to work in an international travel agency?一 Well, you know, English is my  . So it is my best choice.

Confidence is more than just an attitude; it comes from a strong commitment to take_____,   rather than just let life happen.