It’s raining cats and dogs now. The students are running or riding home. The words “cats and dogs” means______.

30,000 dollars is a lot of money, but it’s _________ than we need.

There are large numbers of school buses ________designed for primary schools in Taizhou.

-________are they going swimming?-Tomorrow.

Li Xing’s illness(病) is very_____. You must take his illness ______.