分析简单句子smoking,it is believe ,is responsible for 30 per cent of all deaths from cancer .请问 ,it is believe ,是句子的什么成分?

分析简单句子smoking,it is believe ,is responsible for 30 per cent of all deaths from cancer .请问 ,it is believe ,是句子的什么成分? 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? 简单分析句子成分it is too hot to live___near it为什么填anywhere,anywhere,near各自什么词性和成分?整个句子的成分分析 It is not allow smoking here 翻译：What make is it?请做简单分析. 英语句子结构分析 he stood there smoking a cigarette 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 It is important to learn English.的句子结构分析 It is believed that smoking does harm to health =Smoking is_________________ it says smoking is bad for you healht中的smoking为什么不用smok It is widely ______that smoking can cause cancer.选项:a、believed b、 think c、 say d、hoped选哪个?为什么?请分析并翻译整句 关于it is/was开始的简单句子it is/was开始的简单句子,这样的简单句中,is/was是谓语动词吗? There is a s___.It says No smoking There is a____. It say NO smoking 填什么呀 it is better to refrain from smoking 中文怎么翻译 when people start smoking ,it is difficult to stopwhen people start smoking ,it is difficult to stop.翻译成中文 句子：Smoking is harmful for your health对还是句子Smoking is harmful to your health对非诚勿扰 分析句子I find it difficult to do为什么it 后不加is