When we write our homework on the computer, we should  _____ first.
A．save the documentB．print our homework
C．open a new documentD．turn off the computer
C

試題分析：save the document保存文檔；print our homework打印作業(yè)；pen a new document打開新文件；turn off the computer關(guān)掉電腦；句意：當(dāng)我們在電腦上寫作業(yè)時，我們應(yīng)該首先打開一個新文檔。結(jié)合語境可知選C。
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