试题 试卷
题型：单选题 题类：常考题 难易度：普通
牛津版八年级下学期英语Unit 8
—I _______ the Internet at home.
-- Really? But she _________ newspapers when I came to your house.
点拨：{#blank#}1{#/blank#}意为"当……时候"，后面通常接时间点，从句中谓语动词用短暂性动词。另外，while，意为"当……时候"， 后面只能接一段时间，不能接时间点，其引导的从句的动作或状态往往与主句的动作同时发生。
While we were walking home, it began to rain.＝ {#blank#}2{#/blank#}
— He dinner at that time.
—I am sorry, Sir. Mrs. Green {#blank#}1{#/blank#}(explain) a math problem to me.
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