翻译下列句子。
1. 他们应该被允许尽可能多地练习他们的爱好。
They _____ _____ _____ to practice their hobbies _____ _____ _____ they want.
2. 我认为我应该被允许为自己作出决定。
I think I should be allowed to _____ _____ _____ by myself.
3. 这是一个难以实现的梦。
It is a very difficult dream _____ _____.
4. 只有那样我才有机会实现自己的梦。
Only then _____ _____ _____ a chance of achieving my dream.
5. 但是有时候他们的爱好会成为功课的阻碍。
But sometimes their hobbies can _____ _____ _____ _____ _____ schoolwork.
