问题
选择题
_____ troubles me is _____ I don't know _____ is to be done with the new machine. [ ]
A. What; what; that
B. What; that; how
C. What; that; what
D. What; because; which
答案
答案：C
搜题请搜索小程序“爱下问搜题”
_____ troubles me is _____ I don't know _____ is to be done with the new machine. [ ]
A. What; what; that
B. What; that; how
C. What; that; what
D. What; because; which
答案：C