Question

The sign says that children are admitted only if ________ by an adult.

A．to be accompanied　B．accompanying

C．accompanied　D．to accompany

 

Answer 1

C

【解析】句意：牌子上写着，儿童必须有成年人陪同方可入场。这里其实是状语从句的省略，省略了children are或they are。accompany与children之间是动宾关系，所以应用v.?ed形式。