Not until _____ more, _____ able to improve the situation. [ ]
A. do we know, we will be
B. we know; will we be
C. do we know; will we be
D. we know; we will be
答案:B
Not until _____ more, _____ able to improve the situation. [ ]
A. do we know, we will be
B. we know; will we be
C. do we know; will we be
D. we know; we will be
答案:B