known to all, the financial crisis firstlybroke out in the United States,_____ the group of developed countries.

Could I take this seat, Sir— Sorry, you . These seats here are all for the old people.

The traffic is heavy these days. I ________ arrive a bit late, so could you save me a place?

I visited a paper factory last Sunday.—_________.

The _________ careful you are, the _________ mistakes you will make.