15．A.dropped B．looked

C．called D．gave

A　解析：根据上文"helping me to see that my dreams weren't about signing a record deal, letting my hair grow, and living in a tour bus"可知，作者决定退出。drop out退出。故选A。

16．A.disturbed B．shocked

C．cool D．tolerant

B　解析：根据上文"So I ______ out."可知，"我"的乐队指挥很惊讶。shocked震惊的。故选B。

17．A.in B．at

C．by D．to

B　解析：根据上文"When the group won a city wide Battle of the Bands, things heated up."可知，他们认为"我"在成功的巅峰时退出真是疯了。at the peak of在......的巅峰。故选B。

18．A.personality B．interests

C．goals D．consideration

C　解析：句意：无论乐队多么成功，我知道和我的目标不一致。goal目标。故选C。

19．A.aimed B．demanded

C．forced D．meant

D　解析：这里指"我"打算做的事情。mean to do打算做。故选D。

20．A.recall B．rebuild

C．refocus D．reunite

C　解析："我"父母的建议帮助"我"重新专注。refocus重新专注。故选C。

短文改错

　　When I was ten years old，I went to Dali with two American.I became their guide.First，we went to the Erhai Lake.They wanted to look around the lake by the boat.After buy the tickets，we got into a boat.We went around seeing the beautiful sight.After that，we went shopping.The sellers couldn't spoke English.Though it was very harder，I tried my best listen to their words carefully and translate the sentences.They bought some little things with their help.Next，we went to a small zoo but took some pictures.When we felt hunger，we went out and had lunch.After lunch，we visited some old house and learned more about Chinese history.

答案：

When I was ten years old，I went to Dali with two .I became their guide.First，we went to the Erhai Lake.They wanted to look around the lake by boat.After the tickets，we got into a boat.We went around seeing the beautiful sight.After that，we went shopping.The