When ________ to tell the difference between British and American English, the linguist made a long and ________ speech.
正确答案: B
本题解析: 暂无解析
With an appropriate relative pronoun My brother speaks English fluently, ________ I don ’t.
With an appropriate conjunctive Last month I bought a watch. It is cheap, ________ it goes quite well.
He said that he ____ (feed) up with college instructors who tried to teach him to use the “ scientific