选哪个?原因?We---------all citizens should obey the traffic rules

A。We think it important that all citizens should obey the traffic rules。这个句子里,主语是we,谓语是think,it 是先行宾语,真正的宾语是 that 引出的宾语从句,即" that all citizens should obey the traffic rules",而 important 是宾语补语,说明宾语从句陈述的这件事的性质是重要的。