In 1636, Harvard(哈佛大学)is one of the most famous universities in the United States.
__________, I really believe that I’d prefer not to make any change now.
Didn’t _________ ever occur to you that such possibilities still existed?
In the early morning all of us stood at the top of the mountain ___________ east of the city, watching __________burning sun rising.
________ that saw the rise of quite a number of new writers.
There is a real possibility that these animals could be frightened, ________ a sudden loud noise.