BOOK ONE · LESSON 034
What are they doing?
他们在做什么?
Describe people and animals with plural present-continuous
sentences.
用现在进行时的复数形式描述人和动物的动作。
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Original sources 原始资料
Open the original pages to compare your work. 点击链接查看原文。
A little practice, every day. 每天一点,慢慢积累。