问题
选择题
—How much are these green bags?
—______[ ]
A. They are 50 dollar
B. They are 50 dollars
C. It's 50 dollars
D. It is 50 dollar
答案
答案:B
—How much are these green bags?
—______[ ]
A. They are 50 dollar
B. They are 50 dollars
C. It's 50 dollars
D. It is 50 dollar
答案:B