题目内容
4. Jack often sends his homework to his teacher email.
A. with B. for C. by D. in
4. C
4. C by表示使用的方法、手段。by email意为“用电子邮件”。
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题目内容
4. Jack often sends his homework to his teacher email.
A. with B. for C. by D. in
4. C by表示使用的方法、手段。by email意为“用电子邮件”。