问题
选择题
Only after they had discussed the matter for several hours _____ a decision. [ ]
A. they reached
B. did they reach
C. they reach
D. do they reach
答案
答案:B
Only after they had discussed the matter for several hours _____ a decision. [ ]
A. they reached
B. did they reach
C. they reach
D. do they reach
答案:B