选择方框内适当的词，并用其适当形式填空。
battery include twenty education noisy
1. The pocket calculator needs two __________.
2. The band played many songs, __________ some of my favorites.
3. In the __________ century, our hometown changed a lot.
4. Our teacher gave me an __________ book yesterday.
5. While I was studying for the test, my neighbors were having a party __________.