Could you please _____ in the room–Oh， I’m sorry.

The quality of the goods in this firm is _______ to the customers, as there has been no complaint since it was founded.

He feels happy that he can earnhedid ten years ago.

I wonder if I can get a rise in salary —You have been paid enough__________ do you want?

It is comforting to see that ________， we are doing our part for the environment.