.If you want to be thinner and healthier, you’d better eat_______food and take______ exercise.
He has a toothache. He should see a _____.
Remember_____ the light when you leave.
- Alan, can you tell me the answer _____the question? - OK!
- Time is money. - But I think time is _____money.
- Which month has_____ days in a year? -February.