In this hotel, the bread and butter served for breakfast. Meanwhile, a knife and fork very useful for a foreigner.
A. is; is
B. are; are
C. is; are
D. are; is
网友回答
(答案→)A. is; is
B. are; are
C. is; are
D. are; is
解析：根据意义一致原则，用and连接的两个单数名词在意义上指同一个人、物或概念时，谓语动词用单数，这时and后面的名词前不用介词。