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题型：单选题 题类：常考题 难易度：普通
小学英语人教版（PEP）2017-2018学年四年级下册期中检测卷
—It's seven o'clock.
- Because I can skate.
{#blank#}1{#/blank#}
—No，they aren't. They are dogs.
一They are .
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