【推荐2】In his speech, Eric Whitacre shared stories of how his original compositions became ________ ________(深受……欢迎) singers and listeners and how it ________ ________(导致) the creation of the virtual choir. (根据汉语提示完成句子)

【推荐1】他的突出表现超出了教练和队友的预料。
His outstanding performance was ________________.

【推荐2】渐渐地，我的语言能力提高了。
My language skills improved ________ ________.

【推荐2】无论任务有多难，我们必须按时完成。
①________________, we must finish it on time.(however 引导的句子)
②________________, we must finish it on time.(no matter how 引导的句子)