3.An expert, together with some assistants, ____ to help in this work. A. was sent B. were sent C. is sending D. are sending翻译
问题描述：
3.An expert, together with some assistants, ____ to help in this
work.
A. was sent B. were sent C. is sending D. are sending
翻译
答
选A,
填空处是对expert的补充说明,expert是单数,所以排除B,D.
expert是"被"请去的,所以要用被动语态.所以排除C.
答
A. was sent
答
选A
一个专家以及他的几名助手被指派来协助这次工作
答
一个专家和一些助手被派去王成这项工作
答
a.was sent.together with some assistants是插入语,主语还是an expert,所以选谓语是单数.由于专家是被“送”的,所以选a
答
a
一个专家和一些助手被带来帮助完成这项工作
答
选B，就近原则
一位专家和他的几个助手已经被派出帮助这项工作了。