My mother is ill in hospital. I have to look after her. — .

Can I pay the bill bycheck—Sorry, sir. But it is the management rules of hotelthat payment _____ be made in cash.

12．We have to study for a bright future, so we have to lose some sleep_________we’re worn out

To make the city look more beautiful, a lot of old houses along the street have been _____.

Lucy tried her best in the speech competition— Yes, I think no one did ______ than her.