We should __________ primary importance to job training.

Can you imagine the difficulty I had __________ the game?

I don’t want to ____ someone else’s children.

I can’t _ __it when people speak with their mouths full.

I don’t think television will ever ______ books.

The door is low, so ______ your head when you go in.

—Why is he feeling disappointed today?
—Because the suggestion he       has been turned down.

It shows that a knowledge of first aid can make a real       .

The cool water stops the burning process，prevents the pain       unbearable and reduces swelling.

Burns are called first，second or third degree burns，       which layers of the skin are burned.