About an hour after sunrise, I rode across the countryside——birds were singing.

A. where B.which

C. that D. when

 

A

【解析】

試題分析: 句意：在日出后大約一個小時，我騎車穿過鄉(xiāng)下，在那兒有鳥兒在歌唱。從結(jié)構(gòu)判斷此處是非限制性定語從句，修飾先行詞countryside，從句中缺少狀語，應(yīng)該 用where，選A。

考點：考查定語從句

 

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