问题补充:
--- Did you go to London for vacation?
--- I to go, but I got sick at the last minutes.
A. was planning
B. have planned
C. had been planning
D. have been planning
答案:
A. was planning
B. have planned
(答案→)C. had been planning
D. have been planning
解析:可联系答.案.网客服索取。