单元语法聚焦
Unit 2 Plant a Plant！
[构词法(Ⅱ)]
1. A worker is there helping them.一名工人正在那里帮他们。2. When there is a dust storm in spring, it gets windy and dirty everywhere.春天有沙尘暴时，到处都有风，变得很脏。
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3. Roses smell so wonderful.玫瑰闻起来很香。4. It grows in eastern Asia.它生长在东亚。5. When it comes to laughing, this tree is really funny. 就笑而论，这种树真有趣。
单元语法聚焦