五、填空 （每格1分，共6分）                 Boats Sail on the Rivers Boats sail on the rivers,  And ships sail on the ____1______; But clouds that sail acorss the sky,  Are ____2______ far than these.   There are _____3_______ on the rivers, As pretty as you ______4______;  But the bow that bridges ____________,  And overtops the trees,  And builds a road from _____5_____ to sky, Is prettier far than these.                                                                                      Christina Rossetti                                                                                          (1830－1894)
1.