-What were you doing at 8:00 last night ?-Oh, I was busy【参考答案】

试题详情

-What were you doing at 8:00 last night ?

-Oh, I was busy _________ my homework

A、do

B、doing

C、did

D、done

知识点

参考答案

采纳过本试题的试卷

外研版英语九年级下册Module 4 Unit 2 we must keepthe camp clean.单元检测 .

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