根据句子意思,写出符合句子要求的单词形式．
1．Vienna is a _______(Europe) city.
2.He wants to be a______(compose)when he grows up.
3.Alice is free today.She has nothing important______(do)
4.--It's a______(love) day today,isn't it?
--Yes,isn't it?
5.Each of us can play a _______(music) instrument.