Every student as well as teachers who ______ to visit the museum ______ asked to be at the school gate on time.

【正确答案】 D

【答案解析】 who, which, that作定语从句的主语时，其谓语的数取决于先行词，所以第一空用复数are；主语后有as well as等时，谓语应同其前面的主语保持一致，所以第二个空用单数。