有些英語老師很認真的灌輸學生錯誤的文法概念，
渾然不知參考書和測驗卷的試題充滿謬誤。
http://ocw.aca.ntu.edu.tw/ntu-ocw/ocw/cou/101S102
台大外籍教授史嘉琳回覆某些國中英語教師的提問如下。
A question from Ashley Lee:
> Dear Prof. Chung,
“He is not in Taiwan. He has ____ America for two weeks.”
(A) gone to
(B) been in
(C) gone in
(D) been to
The answer given to this multiple choice question is (B). Could you please
explain the differences among (A), (B), and (D)?