Not once in these years ______ the prices of these products.

admin2009-05-15  22

问题 Not once in these years ______ the prices of these products.

选项 A、we changed
B、have we changed
C、did we change
D、we have changed

答案B

解析 否定词+倒装结构,例:Not once did he talk to me.意为:他一次也没有和我谈过。本题题意是:这些年我们一次也没有改变产品的价格。故本题答案为B。
转载请注明原文地址:https://kaotiyun.com/show/psyd777K
0

最新回复(0)