II语法填空（每小题1分，满分10分）
阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在题目后标号为1l-20的相应位置上。
One day, Henry Adam, an American businessman, sailed out of the bay. ___11___ (luck), he was carried out to sea by a strong wind. Just when hope was about gone, he was picked up by a ship for London. In the ship he earned his passage by __12___ (work) without pay, as a common sailor. When he got to London he was almost penniless.
On the following morning Henry was wandering on the pavement ___13___a window behind him was raised, and a gentleman asked him to step in. He__14___(show) into a room where a couple of elderly gentlemen were sitting. A couple of days before these two old and wealthy brothers had been having a hot argument__15__might happen to a stranger in London __16__a friend and with no money except a million-pound bank-note.
