1 . This has caused some f ________between Greece and Britain, as the Greek government has never given up asking for the return of these marble statues. (根据首字母单词拼写)

2 . 他们的音乐是古典和现代风格的混合体。
Their music is _______ _______ _______classical and modern styles.

3 . The USA was originally made up of ________（settle) from Britain and other countries, organized into thirteen British colonies.（所给词的适当形式填空）