The guide told us that he would organize some business men abroad＿＿＿next week. 

There was a long queue for coffee. Having waited for 10 minutes, we _______ gave up.

I'm certain David's told you his business troubles. ______, it's no secret that he owes a lot of money to the bank.

——You don’t go to that cinema quite often, do you? —— No, I only go there ______ because it’s too far away from my house.

You’d better book the tickets in advance; _______ we may miss the concert.