初三英语习题 HELP

问题描述:

初三英语习题 HELP
The headmaster as well as all the teachers_____.
A.are having a meeting
B.have gone to the museum
C.is plannting trees on the hill
D.feel very excited about the prize
说下理由,

C
主语是headmaster是单数,所以谓语要用is
as well as,together with等短语后面的东西一律不算作主语的一部分.