试题 试卷
题型：单选题 题类：常考题 难易度：普通
广东省佛山市顺德区2020届九年级上学期英语第15周教研联盟测试
一Yes，it's amazing. It do all my housework．
—You ______ be joking. It's impossible.
—I'm not sure. It________ be a present from your brother.
Maybe you fear that they won't {#blank#}1{#/blank#} find the solutions to the problem of air pollution.
—Sure, but you finish your homework first.
—No, you ______. But you must do it when you finish your homework.
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