1. 他写了400多首华尔兹。 He wrote _____ _____ 400 waltzes. 2. 施特劳斯和莫扎特是两位最重要的作曲家。 Strauss and Mozart were _____ _____ _____ _____ important composers. 3. 在他6岁前不仅弹钢琴，而且还拉小提琴。 Before six, he played _____ _____ the piano, _____ _____ the violin. 4. 他在很多城市开音乐会。 He _____ _____ in many cities. 5. 施特劳斯写哪种音乐？ _____ _____ music did Johann Strauss write? 6. 除了戏剧外，莫扎特还写了什么？ What did Mozart write _____ _____ _____ operas?
