Do you know how much it _____?(填上适当的单词) Yes,100 yuan.书上答案是cost,可以填is吗? 回答: 1)how much it___是一宾语从句,应是陈述句语序,因此 ‘填上适当的单词’ 时,应注意动词的人称与数,此处必须填 costs,而不是cost!估计是打字时把s 漏掉了吧? 2)虽然书上的答案是cost,但你填 is 也是完全正确的!请看例句: (1) How much is it It is $60. (2) How much does it cost?It costs $60. 以上2个例句的意思是相同的. 欢迎追问!