Bread and butter ___ his usual breakfast, so bread and butter ____ always stored in his fridge.

题目

Bread and butter ___ his usual breakfast, so bread and butter ____ always stored in his fridge.
A. is, is B. are, are C. are, is D. is, are
which one? why?

答案

D. is, are
第一个Bread and butter 指面包抹黄油,单数；
第二个Bread and butter 指面包及黄油,复数.