— Which is more useful, English or Chine
题型：选择题
问题：
— Which is more useful, English or Chinese?
— I think ______ them are useful. [ ]
A. either of
B. none of
C. both of
— Which is more useful, English or Chinese?
— I think ______ them are useful. [ ]
A. either of
B. none of
C. both of