试题 试卷
题型：单选题 题类：常考题 难易度：普通
人教版（PEP）小学英语五年级上册Unit 5 Part A第1课时
am, is, are, was, were
{#blank#}1{#/blank#} there a river in the {#blank#}2{#/blank#}?
—There is one.
—_______The water is very clean.
例: river forest；yes
— Is there a river in the forest?
— Yes, there is.
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