Question

This math problem is so difficult that only ________ students can work it out.

A. a few
B. few
C. a little
D. little

Answer 1

答案A
only意为“仅仅，只有”，表达肯定意义，其后应接表达肯定意义的a little或a few。被修饰名词students为可数名词复数，故用a few。