【简答题】Henry and Bill are good friends, but they never see each other. They come from____countries. Henry is from the USA, and Bill is from England. They both have computers and often talk on ____. Now they ...
【简答题】In the year 1845, Henry David Thoreau went into woods to live nearly all by himself for almost two years. When he came out, he published a book based on that experience. The book is_______.