How to buy a used car in Beijing?

How to buy a used car in Beijing? I can't decided___to buy a new bike or __a used oneA when ,findB whether ,to look forC how,look forD why,to look for how things used to I can't decide____to buy a nwe bike or ___a used one.A.when ,findB.whether,to findC.how,look forD.why ,to look for选什么?理由?whether什么意思? How did you know_____?A to buy what B to buy where C what to buy D where to buy 哪一个答案是对的,多谢. 我想问 use to和used to 和 be used to的用法1.he(is used to)(used to)work sixteen hours a day.2.i(use to)(used to)see him often.3.he always(uses)(used to)scented soap.4.he(used to)(is used to)buy two bars of chocolate a day.5.i could not stand How to buy your smile? I want to buy a pair of clogs.Where can we buy,and how much?china How are you getting on with your school life?I __________it now.A am used to B was used to C used to D use to He _____to work buy bus ,but now he goes to work on foot.A used to going B used to go C used going D was used to go －How does Kangkang usually go to school?－He ______ ride a bike,but now he ______ walking.A.used to; used to B.was used to; is used to C.used to; is used to D.is used to; used to 初四英语选择1.Knives ＿ things,we ＿ things with knifes.A are used to cutting,are used to cutB are used to cut are used to cuttingC are used to cut used to cutD are used to cutting are used to cutting2.Can you tell me A how much does it cost 2.he used the money he first made___a used bike for himself A.buying B.buy C.to buy D.bought2.he used the money he first made___a used bike for himselfA.buying B.buy C.to buy D.bought说下理由 24.rice do you want to buy A,How much B,How many C,How often帮忙选下 I want to buy a book _ how to lean English .填什么介词? how do you want to (花费 )it it ( ) much to buy a house how much did you ()that nice MP4?A.pay B.spend buying C.take buy D.cost to buy --how about _______ tennis balls for your brother?--Sounds good.A.some B.any C.to buy D.buy