You’d better read the __________ first before you start to use the machine.

Mr Smith, there’s a man at the front doorwho says he has news _________ vital importance.

Jack is _______ to look after himself.

Nowadays, more and more people prefer shopping online. What do you think of it—It’s __________ than shopping in the store, though the products are not really good.

The man is badly hurt. The doctors are doing what they can ____________ him.