... idea•All right.*Không đồng ý:-No, I don’t want to-I prefer to V2-inf-Let’s + V2 -inf III.Practice:1.Making suggestions base on the pictures•a.I think we should turn off the faucet to ... energy•h.How about going to school by public buses instead of bikes or motorbikes? 2. Making a saving energy plan:•take a shower instead of a bath•make poster on energy saving and hang them...