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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

题目详情
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
▼优质解答
答案和解析
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