Every student as well as some teachers who to visit the Forbidden City
asked to be at school gate before 6:00 in the morning.
A. are；are
B. is；is
C. is；are
D. are；is
网友回答
A. are；are
B. is；is
C. is；are
(答案→)D. are；is
解析：考查主谓一致。who to visit the Forbidden City是teachers的定语从句，定语从句的系动词和先行词保持一致，先行词teachers是复数，所以who后面用系动词are，排除B,C；as well as连接两个并列主语时，谓语动词和前一个主语保持一致，因为Every student是单数，所以第二空用is 。所以选D。