Dario and his mother loved their new apartment     1    living room was large enough for their piano. That night, the two of them sat side by side at the piano. They played jazz music     2    (celebrate) their new home. The loud music filled the room and made them feel very happy. The next morning,     3    , their happiness disappeared. Someone had left a note under their door during the night. One of their neighbors    4    (write) to complain(抱怨) about the sound of the piano. Dario’s mother asked the doorkeeper     5    he knew anything about it. But he said ‘no’. Later that morning, Dario suggested that they should hold a party at home and apologize     6     their playing.

They    7     loved the idea. Over the next few days, they sent out     8    (invite) and decorated the apartment with party lights.    9    (final), the day of the party arrived. The guests brought different presents. One woman even presented Dario with a book of piano music, which gave them a feeling of warmth. Dario apologized and was already looking forward to     10     (practice ) the new music.