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

The last ______of the play was very impressive.

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

Being able to speak another language fluently is a great          when you are looking for a job.

The people living in that apartment have free 　　　　to that swimming pool.They don't have to be charged.