如果traffic不可数为什么选b?

如果traffic不可数为什么选b? traffic是不可数名词吗? traffic 是否可数 traffic是可数还是不可数名词 为什么我看过 some traffic 交通不是一类事物的统称吗求正解 what how后是不可数名词1、（ ）hard work they have done!A.What a B.What C.How a D.How 为何选B?（是不是不可以用how来表达?如果可以,怎么表达?如果不可以,为什么?）2、特别是what、 how后是不可数名词时,怎 The traffic lights changed from red___green.A.to B.into 为什么选A不选B解释下谢谢 不可数名词前面能加the么 如果能 为什么? 交通traffic是可数名词还是不可数名词? ------look out!the traffic is moving fast!------thanks,i ( )do,will,can ,don't.为什么选b Jimmy was caught ___the traffic jam and was very late for work. A in B by请问选哪个,为什么? 请教heavy traffic 和 traffic jam的区别They were late for the meeting because of ____ ____ ____ yesterday.(昨天因为交通拥堵,他们开会迟到了).请问填the traffic jam 如果不可以,为什么填heavy traffic why couldn't they meet us at five o'clock? Because they were delayed by ___A.a heavy traffic B.heavy traffic C.some heavy traffic D.traffic being heavy答案是B 不知道为什么 _____perfect life you have A.what a B.what为什么选A,life不是不可数吗,应该选B呀 he is in( )ignorance of the traffic signs.he often gets a traffic ticket.A.complete B.completed C.completion D.completely帮我看看选哪一个为什么谢谢! i missed the lecture because my car was _ in the traffic jam.A.broken up B.kept back C.held up D.kept upQ:为什么选C呢,hold up in the traffic是一个固定搭配吗？ what have a good time 中 time是可数还是不可数?如果不可数,为什么要用a ? 1、He left _____ the back door.A by B across选哪个为什么2、A great man show his greatness ____ the way he treats little man.A with B by 用这两个区别是什么3、The traffic lights _____ green.A got B went选什么,如果有turn的话可 A car broke down and that was ____ caused the traffic jam.A.how B.why C.which D.what为什么选D,不选B 2A:thank goodness,you are here. what ___you ?B:traffic jama keepss b is keeping c had kept d kept为什么选D是什么意思