e the factory, there isa series of tests tobe passed/to pass. 3.At the end of his speech he expressed the desire e and work in China someday. 4.They signed an agreement to expand the trade between the two countries. 5.mander gave us orders to cross the river. 五.1.She was excited to hear the news. 2.I'm glad to have seen your mother. 3.The mother was pleased to see her son doing so well at school. 4.He was very happy to see us so happy. 5.They will be disappointed to hear it. 六.1.The room is large enough to hold one hundred people. 2.The room is too small (not large enough) to hold one hundred people. 3.The text is easy enough for a child to understand. 4.The text is too difficult (not easy enough) for a child to understand. 5.He is too short (not tall enough )to bea good basketball player.