They all looked ____ at the master and felt quite _____．

I think you’ve got to the point where a change is needed , _____, you’ll fail .

There was such a long queue for coffee at the interval that we_________gave up.

The incomes of skilled workers went up. ____, unskilled workers saw their earnings fall.

— Guess what? One bullet struck my car,          missing me yesterday! — Lucky you ! Come back to our motherland as soon as possible!