Unit 5: Endangered animals - Lesson 3
<p><strong>- Lesson objective: </strong><span style="color:#000000;">I will learn to use sentences with if.</span></p><p><span style="color:#000000;"><strong>- Key languages:</strong></span></p><p><span style="color:#000000;">+ If they destroy the forest, there won’t be any</span><br><span style="color:#000000;">wildlife.</span><br><span style="color:#000000;">+ If they don’t clean up the river, the fish will die.</span&