If you’re late for class, Mr. Black will keep you out.

Vegetables like tomatoes ____ rich vitamins. They are good for our health. [ ]

th Olympic Games, ______ between July27 and August 12 in 2012, will take place in London

asked him to _______ me a few minutes so that we could go over all the problems.

The old man has retired from the factory. He _____ there for 30 years.