7、在第十七世纪inthestreet在街上inthetree在树上intime及时intown在镇上inthosedays在那些日子里introuble处于困境(苦恼)中of(prep.)短语a bit of 少量的,一点a great deal of 很多a (large)number of 许多a lot of 许多,大量的lots of 许许多多的a place of interest 名胜a waste of 浪费all kinds of 各种各样的at the head of 在……的前头be made up of 由……组成be proud of 为……