Question

-----Why do many people like to ride bikes?

----Because bikes not only need ________ space, but also cause _________accidents.

1. A.
   less, fewer
2. B.
   fewer, less
3. C.
   less, less
4. D.
   fewer, fewer

Answer 1

A
fewer和less分别是few和little的比较级形式，在可数名词前用few或者fewer,而在不可数名词前用little或者less。