---Do you know the danger caused by smoking?

Do you know the boy ----by Tom? strong feelings caused by danger 的同义词 Do you know by whom the light bulb was invented? by whom是怎么理 101.Do you smoking? Do you know what_____the fire?这是填 caused 现在时 cause 为什么不可以?表示 You don't know I can finish the work by myself,do you 还是 can Do you know whether the plants__(grow)on Mars by the year 21 Do you know the boy___Tom? Do you know the student_____? Do you know the way? Do you know the girl___white? do you know the man ( )?