问题
选择题
--- I paid him 300 yuan for the sneakers．
--- Oh, he charged you too much．You _____ them with half the money．
A．could have bought
B．needn’t have bought
C．must have bought
D．wouldn’t have bought
答案
答案：A
词义辨析。could have bought本能够买；．needn’t have bought没有必要买；
must have bought肯定买了；wouldn’t have bought不会买；这些零食我付了他300元。他要的太多了。你本可以用一半钱来买。所以选A。