问题
选择题
The blue jeans _______ 50 dollars. And that black pair of jeans _______ 60 dollars.
A．are; costs
B．are; cost
C．pay; are
D．spend; is
答案
答案：A
题目分析: 句意：蓝牛仔裤50美元，那条黑牛仔裤60美元。cost花费，物做主语；pay付，人做主语；spend花费，人做主语。is是，单数，are是，复数。jeans牛仔裤，谓语动词为复数；that pair那条，谓语动词为单数；故选A