My friend Amy text messages to me on the mobile phone, but now she e-mails on QQ.

题型：单选题题类：常考题难易度：普通

人教新目标版九年级Unit4 I used to be afraid of the dark. Section B同步练习

A、is used to send; used to send B、used to send; is used to sending C、used to send; used to send D、is used to sending; used to send

举一反三

一Yes, she did．

—No. I will

—That's great. We can sing along with the music．

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