问题
选择题
---How much difficulty did you have________________ this problem?
---_____________. It's quite easy.
A．to solve, Nothing
B．solving; None
C．to solve, None
D．solving; Nothing
答案
答案：B
题目分析：句意：---解决这个问题你有多少困难。---一点也没有，它相当容易。Have difficulty doing sth.故当回答how much多少的时候应该用none，当回答what的时候应该用nothing；选B。