Li Ping ________some Guangdong dialect while traveling there with his family this spring. [ ]

________a pianist, I had to sing solo. Much to my relief, my performance was fully appreciated by the audience. [ ]

下列词语没有错别字的一组是（ ）

The young man, ______ several attempts to beat the world record in high jumping, decided to have another try.[ ]

matters most in learning English is enough practice．