Question

I walked in the yard, ________ Tom and Jim were tying a big sign onto one of the trees．

[　　]

A．

which

B．

when

C．

where

D．

that

Answer 1

答案：C
解析：

选空后的句子，主语是Tom and Jim，谓语是were tying，宾语是a big sign。句子中不缺成分，所以要选关系副词when或where。Tom and Jim两人的动作发生的场所是yard，所以只有选表示地点的副词。