—Look! I found a wallet in the classroom—You should give it to its .He must be upset about losing it.
–Excuse me . Could you please tell me _____ my car? -- Sure . Park it right here. I’ll help you
_____ children there are in a family , _____ their life will be.
--Do you often get online? -- Yes , I _______ lots of time on it. It's a good way to kill time.
--What do you often do _____ classes to relax yourselves? --We often do eye exercises ,listen to music or do some running around the school.
Many people do not realize the importance of health _____ they have fallen ill.