Laws should be made______ the terrible haze（雾霾）______harm to our health.

you water the plants in thegarden and I will cook the dinner—-_____

26 The news that scientists so far haven’t found out the cause of bird flu discouraged some WHO officials,________?

Private cars really provide much convenience to people, and ___ they cause too many problems

Hello, Mr Green! Could you tell me something about your study—OK, but I’m busy now. I’ll get back to you ________ a minute.