Don’t try to persuade your boss; he won’t have the _______of employing me — a fresh student.

Since we have made ____, we have to make ____ to achieve more.

Whether by accident or _______, he arrived too late to help us.

I prefer to eat in that restaurant, because the ____ of service there has improved a lot.

The conference has been held to discuss the ________of global warming on people’s lives all over the world.