Food safety is important. Rules to stop people from food pollution.A、must make B、must be made C、can’t be made
-- Is there _____ in today’s newspaper? --No, there’s _____.
--Would you like some juice or milk? -- _____ is OK. I don’t mind.
We found ____ very easy to learn a foreign language well ____ the teacher’s help.
_____ mobilephone is not so expensive as _____, but it works well, too.
__mothers both work in the same hospital. They often talk about their children together.