Question

--- Where is Tom?

--- Tom as well as his parents ________ to Beijing.

1. A.
   has been
2. B.
   has gone
3. C.
   have been
4. D.
   have gone

Answer 1

B
题意：汤姆和他的父母亲都去北京了。主语是Tom,应选单数谓语动词。has been to表示已返回本地，不符合语境，故选B项。