-Which is more useful, biology or chemistry? A. Either of B. None of C. Both of D. All of 【查看更多】

 

题目列表(包括答案和解析)

--Which is more useful, chemistry or biology?

--I think _____ them are useful.

[  ]

A.none of

B.all of

C.either of

D.both of

查看答案和解析>>


同步练习册答案