试题 试卷
题型：单词拼写（单句） 题类： 难易度：普通
人教版（PEP）四年级下册Unit 4 At the farm Part B Read and write 同步分层作业
—It's a bus.
B: I go to school ________.
— Are blue whales {#blank#}1{#/blank#} danger?
— Yes. There are only about ten {#blank#}2{#/blank#} in the wild.
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