题目内容
选出能替换画线部分的选项
You can send him letters by Internet. That's fast and easy.
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A.ordinary(普通) letters
B.e-mails
C.airmails
D.post cards
答案:B
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题目内容
选出能替换画线部分的选项
You can send him letters by Internet. That's fast and easy.
[ ]