【皮皮】評論
Finally, speakers use the_____20_____ of voice. In English, a rising tone can show politeness.空格裡要填的是名詞
【neonoman215】評論
Finally, speakers use the_____20_____ of voice. In English, a rising tone can show politeness.後段出現了tone，可推測前後用字一致，故選tone
【白皮果【2015】】評論
Finally, speakers use the tone of voice. In English, a rising tone can show politeness. 最後，說話者使用語氣，在英語中，上升的語調可以表現出禮貌。(A)pitch 搭帳篷；安營；投擲