Our society insists on regular habits, timekeeping and punctuality, and whether we like it or not, ________ we mean to make our way in society, we have to comply (to act in accordance with a demand, rule, etc.) its demands.

________ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately.

There is no point advocating banning smoking in public ________ the law is introduced.

One split second later your life or someone else's life could be gone ________ you are just glancing at your phone to check a text message.

Mr. Smith doesn't go to his usual club, ________ it is being decorated these days.

________ you need something, please don't hesitate to let me know.

________ the civil service has its obvious advantages，it doesn’t necessarily suit everyone.

To live with a high ideal is a successful life. It is not what one does, ________ what one tries to do, that makes a man strong.

Just use this room for the time being, and we'll offer you a larger one ________ it becomes available.

Everything was placed exactly ________ it used to be before she left the laboratory.