There is a large amount of oxygen around us, we could not live.
                    举一反三
- There is a great deal of oxygen around us,______ we can’t live. A: with which B: for which C: without which D: which
 - Language reflects the ____________ in which we live. We __________ the things that are around us.
 - 中国大学MOOC: He is ________ to visit us if he knows where we live.
 - All any of us have is today and we need to_____ this today. A: live in B: live on C: live for D: live of
 - We have so many () appliances around us today.
 
