Never leave a heater running when you are not at home. Many house fires are attributed to ___ use of heaters.
Aunsupervised正確答案
Billustrated
Cdisturbed
Dexchanged
答案與詳解
為什麼答案是 A
unsupervised =「無人監督/看管的」，呼應前句 leave a heater running when you are not at home，語意完全吻合。
考點：無人看管考點：圖解說明考點：干擾考點：交換
載入中…
