【題目】An expert, together with some assistants, ______ to help in this work.

A．was sent B．were sent

C．is sending D．a(chǎn)re sending

【答案】A

【解析】together with some assistants是插入語，謂語動詞與主語An expert保持一致，因為專家是被派，所以要用被動語態(tài)，故選A項。

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