问题补充:
29.—The cleaning must have taken you quite a long time yesterday.
—Right.The rooms for two months.
A. haven been cleaned
B. didn clean
C. hadn been cleaned
D. hadn cleaned
答案:
A. haven been cleaned
B. didn clean
(答案→)C. hadn been cleaned
D. hadn cleaned
解析:可联系答.案.网客服索取。