A．Guinness developed it by himself.B．Sir Hugh Beaver fi……

单项选择题In the video, the British hostage _______.

填空题obvious problems clear problems problems

填空题maximum efficiency highest efficiency

单项选择题The Grand Canyon, carved by the Colorado river, in northwestern _____ is one of nature's most impressive sights.

单项选择题The 18th century witnessed a new literary form--the modern English novel, which is contrary to the medieval romance, gives a ______, presentation of life of the common people.

单项选择题What is the relationship between livestock and cattle

单项选择题The Tories are tile forerunners of ______ , which still bears the nickname today.

单项选择题The heir to the English throne is named the_______ , which was initiated by Edward I in 1301.

单项选择题One way to overcome regional variation and facilitate the communication between speakers of different dialects is to enforce______.

单项选择题The following words, EXCEPT ________, form a minimal set and three minimal pairs.