问题补充：
—— does she weigh? ——Her is 50kg.
A. How heavy; weigh
B. How many; weight
C. How much; weight
D. How much; weigh
答案：
A. How heavy; weigh
B. How many; weight
(答案→)C. How much; weight
D. How much; weigh
解析：因为weigh的意思是“重量为”，是动词，而第二个空需要一个名词，所以排除AD；重量是不可数的，应该用how much。所以本题选C。
