问题补充:
—Why didn’t you pick up the sunglasses?
—I it, but I didn’t carry that much money.
A. could buy
B. should buy
C. must have bought
D. could have bought
答案:
A. could buy
B. should buy
C. must have bought
(答案→)D. could have bought
解析:可联系答.案.网客服索取。