根据句意在空白处填入一个恰当的词,使句意完整、语法正确。
1. Don’t be afraid in the _____________ of danger , try looking for help .
2. Our teacher told us that the Caspian Sea is 1,025 meters _____________ .
3. If we all help one another , the world will be a wonderful place full _________ love .
4. I suppose we need to ___________ up , or we will miss the train .
5. __________ likes to live here because there is heavy air pollution .