____have you been travelling?since i was a boy.A Since when B When C for when 选择哪一个,为什么

____have you been travelling?since i was a boy.A Since when B When C for when 选择哪一个,为什么 How ____have you been to America A.much time B.many time C.much times D.many times ,为什么? ____have you been to the History muesum?Only once.A.how often B.How many times C.How long D.How muvh TR They have been here since 2000.划since 2000.（对划线提问）____ ____have they been here? I am writing to ask you come to our class for a visit.I've ____heard that you havo been to Greece.In our Greece unit,we ____have been learning about it's rich culture and long histury.____Since you have visited Greece several times,so I would like to do you ___ ____have a party中文意思是：你们想开完会吗? You have more interesting experiences than ____have.(my)应该填什么?为什么? I ____have another try if i can get another chance.A.have been meaningB.meanC.am meaningD.meant He ____have been busy.I'm not sure.A.may B.must C.mustn't D.need All but one ____have just now.A:is B:was C:have been D:were.选哪个?为什么? 英语代词填空题的问题!1.How hard ___ works 为什么要填he不能填we啊 work不是加了S吗前面应该是复数啊!2.Can you help me with ___ English 为什么要用me 而不用my3.____have been chosen.为什么填You,he and I 而不用 Have you ever heard of Taihu Lake The third largest fresh water lake in china ____Have you ever heard of Taihu Lake The third largest fresh water lake in China ____once famous for its natural beauty and fish.A was B is C has been D being 【连续提问关注】题目不变!23.____have you been collecting stamps?Since Iwas ten years old.A.how many B.how often C.how long D.how soon24.Jim was late again because he watched TV for____last night.A.two half hour B.two and a half hours C.tw I have been to the Great Wall twice(对twice进行提问）_____ _____ ____have ______ been to the Great Wall ____have 100元 what can you buy?A:Each you B:Each of you C:You each D:You of each what kind of tr ____ do you usually use You ____have a holiday tomorrow if you finish the work today.A、will B、are going to C、shall D、have to请说明原因