问题
选择题
The head of the company promised to deal with matters of this sort ________ he returned to his office. [ ]
A. until
B. while
C. by the time
D. the moment
答案
答案:D
The head of the company promised to deal with matters of this sort ________ he returned to his office. [ ]
A. until
B. while
C. by the time
D. the moment
答案:D