问题
选择题
However _____ they are designed, pens should function as a tool to write with.
A．differ
B．difference
C．different
D．differently
答案
答案：D
句意：无论钢笔被设计的多么不同，他们的作用还是作为书写用的工具。However后修饰形容词或副词，根据语境应用副词修饰动词，所以用differently，选D。