【正文】
welltrained passage experien ced] length anize 1. The old man is a highly _________ traveller. 2. Mark Twain was once a _________ pilot on the Mississippi. 3. _________ is the long dimension of any object. 4. He read a _________ on rice farming from the geography book.] 5. The people _________ to Beijing are waiting for their train. Ⅱ . 根據(jù)句意和提示完成句子。 Over the years many countries ______ ______ fri end