[填空题]My friend Henry likes planting (11) in strange places, like the dirty sides of canals, land covered with rubbish, and railway banks. In his (12) time, with pockets full of seeds, Henry goes round on his bicycle. He has a long pipe with him to blow seeds into spots that are hard to reach. When his flowers fade, he goes round again to (13) their seeds. In this way he always has a big supply. Recently I was having tea with him and he told me that once he was planting seeds in a large piece of waste land when the owner came along and sent him away. Henry (14) some days later when there was no one about. You can (15) how surprised the owner was when, one day, he saw a large letter "H" in flowers which went right across this neglected piece of land!My friend Henry likes planting (11) in strange places, like the dirty sides of canals, land covered with rubbish, and railway banks. In his (12) time, with pockets full o