it says smoking is bad for you healht中的smoking为什么不用smok

There is a s___.It says No smoking it says smoking is bad for you healht中的smoking为什么不用smok Now that it says that smoking is dangerous to heath,why do they manufacture them? The sign____No smoking.A writes B says It is not allow smoking here Smoking,___is abad habit,is,however,popular.A.that B.which C.It D.though 初中英语smokeLook the article says smoking is bad for our lungs.这里为什么不是 smok 而是 smoking Look at the sign!It says No Smoking.You____smoke here填shouldn't还是mustn't Don't you notice the s__ by the road?It says No Smoking! Can't you see the s＿＿?It says No smoking It --------------- that our football team won the first prize on that matchA said B is said C says D is says 选B的原因是? It was ordered that no smoking ___in the libraryA is allowed B be allowed 为什么选B不选A? The weather report __ it is sunny today.A.say B.says C.tell D.tells The radio says it ___the day after tomorrow.A.is going to snow B.will snow why can't i smoke here?at no time----in the reading-room.A it permits B does smoking permitCis smoking permitted D smoking is permitted选C ,句子结构怎么分析啊? 戒烟很困难it is tough to quit smoking还是it is difficult to quit smoking,还是it is hard to quit smoking ( )that sign meanNo smoking?No,it meansDanger.A.Is B.Does C.Do D.Are. ( )that sign meanNo smoking?No,it meansDanger.A.Is B.Does C.Do D.Are