將下列句子中漢語部分譯成英語，注意使用適當的形式，并將所填單詞寫在相應位置。

1.If you learn to _______ difficulties you will be the winner in life.(克服)

2.I often have a glass of _______ and an egg for breakfast.(甜牛奶)

3.People are not allowed to _______ in a museum.(拍照)

4._______ is becoming more and more serious in today's world.(水污染)

5.As students we should study hard _______ it's important for us to get on well with others.(同時)