MĐQH rút gọn
1. In the years that are to come,all trees in this forest will disappear if nothing is done to protect them
2. They couldn't find a way that may help clean the polluted river
3.The governments of many countries are discussing methods that can protect the environment
4. During a boat tour along the canals,tourists can see the birds that are searching for food or the cranes that are flying in flocks
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Sinh Học lớp 12
