【推荐1】________(base) upon their expressed thoughts and actual “musicking” behaviors, this text examines the songs they sing, the rhythms...

【推荐2】________ (complete) in 1931, the Empire State Building inspired the imagination of the world. （所给词的适当形式填空）

【推荐3】__________ (leave) with no instructions, we had no idea what to do next. （所给词的适当形式填空）

【推荐1】This is one of the oldest buildings in town, if _______ the oldest one.（用适当的词填空）

【推荐2】When _________ (refer) to that incident of last year, he still felt very frightened.(所给词的适当形式填空)

【推荐3】This isn't as hard as it sounds, and it is far better than any other method because you improve your vocabulary while___________（read）an interesting piece of literature. (所给词的适当形式填空)

【推荐1】____________(see) from the tower, the city looks very beautiful. (所给词的适当形式填空)

【推荐3】One day, when I opened my book, I found a beautiful card _______________(attach) to the first page, giving me best wishes.