—Shall I sit at this end of the boat or the other end?—If you keep still you can sit at﹍﹍

问题补充：

—Shall I sit at this end of the boat or the other end?

—If you keep still, you can sit at﹍﹍end.

A. neither

B. each

C. either

D. any

答案：

A. neither

B. each

(答案→)C. either

D. any

解析：选C。either 表示二者选一；each表二者或二者以上的每一个；neither表示两者都不，也不；any 表示任何一个。