外研版英語四下一起module1unit2課件2(參考版)
2024-12-04 01:37本頁面
【正文】 Signs A sign tells us to do something or not to do something. For example: No littering Keep quiet. Don’t eat in the classroom. For example: Keep quiet Don’t litter. Signs We often use imperatives in signs. We use Don’t to tell people not to do something. After Don’t, we use the base form of the verb. Don’t pick the flowers. Don’t wa
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