问题标题：
1.用isthis.2isthat.3ishe/she/it.这三个来照句
问题描述：
1.用isthis.2isthat.3ishe/she/it.这三个来照句
董洛兵回答：
Isthisyourcomputer?Isthatarightanswer?Ishe/sheyourfriend?
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