He should have been punished for theserious mistake.— ________, but he escaped it.

Mother always complains that children ________ their shoes very quickly

Since it is expected that Fed will cut interest rate again, there is no doubt ___the company will make the decision on raising the price of crude oil.

We must besure that children in our country should get well ______

It was at school _____ he had studied _______ we met him last night.