why is a fountain pen leak in an airplane?

why is a fountain pen leak in an airplane? Is there a fountain in the park?如何否定回答? There is a fountain at the square,( )( 反义疑问句 fountain fountain fountain the painting is of a fountain.这句话对吗,不太明白 is of In one of the lakes there is a man-mabe fountain. Sam is ( ) the fountain.in under on why?why?why?why?this is a question. A place I really love is the Fountain Square in my city这是什么从句,引导词是什么 The mind is troubled like a fountain stirred; And I myself see not the bottom of it. Mary（ ）her favorite sunglasses into the fountain.That's why she was so upset.A.dropped B.placed C.put D.hid My room overlook a courtyard.There is a fountain.There is several trees.用in which...and..怎样连怎样连接? Why PE is very important?14 Why English is very important?15 Why Chinese is very important?Why PE is very important?14 Why English is very important?15 Why Chinese is very important?16 Why don’t you like singing?17 Why don’t you like Art?18 What why is a river rich? why love is a fallacy? It is time for Millie`s PE lesson( )( )for Millit ( )( )a PE lesson.