In 1980 the US exported twice as much as its national output of goods as they had in 1970. B. double the amount of their output of goods as they did C. twice as much of its national output of goods as it did. 答案C.
请问1)C中goods可数名词,怎么能用much? 2) B is changed into double the amount of its outpur of goods it did 对吗?
以下是引用joywzy在2003-4-24 11:22:00的发言: B. double the amount of their output of goods as they did C. twice as much of its national output of goods as it did. 答案C.