【題目】MSN, ______ you can chat with your friends, makes communication easy.

A. why B. which

C. that D. where

【答案】D

【解析】句意:MSN使溝通容易，在MSN上你可以和你的朋友聊天。此題考查非限制性定語從句的關(guān)系詞。此處where在定語從句中作狀語。

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