问题补充:
--------- Mr Yang, can I come to see you tomorrow morning or tomorrow afternoon?
--------- is OK. I am free tomorrow.
A. Neither
B. Both
C. Either
D. All
答案:
A. Neither
B. Both
(答案→)C. Either
D. All
解析:Neither两者都不;Both两者都;Either任何一个;All所有的,指三个及三个以上。句意:杨先生,我能明天上午或者明天下午来看你吗?——上午下午都行。我明天有空。