1. 他一直等到我回来。
    He waited _________________.
2. 双筒望远镜是在十九世纪在意大利被发明的。  
    The binoculars were invented in _________________ in Italy.
3. 她工作很努力，最后成功了。
    She worked hard and succeeded _______________.
4. 那种玻璃杯容易碎。
    That kind of glass __________________.
5. 这个孤儿将由一位女士照看。
    This orphan __________________by a lady.

     When you __1__ (发信) or a postcard, you have to put stamps on the envelope or on the card. When
  did people first begin to use stamps? Who was the first to __2__ (想到) this idea?
     In the early __3__ 十九世纪), people didn't use stamps. They had to pay postage when they
 __4__ (收到) it. Sometimes they didn't want to receive a letter__5__ (根本不) but they had to pay
 money for it. They were unhappy about this. The postage was high __6__ (在那时), because the post
 offices had to send many people to get the postage.
     Rowland Hill was a school teacher in England. He was the first to think of using stamps in the 1850s.
 He thought it would be __7__ （容易得多) for people to use the stamps. They could to the post office
  to buy stamps and __8__ （把它们贴在……上) the envelops before they sent the letter. The post
 office could just put marks on the stamps __9__ (以便) people could not use the stamps again.
 __10__ （用这种方法) the post office did not need to send postman to get postage. It only needed
  fewer postman to send letters.