答案:C
統計:A:1,B:2,C:4,D:0,E:0
難度:計算中
【nomi】評論
Some people waste lots of water by leaving the tap running while brushing their teeth.有些人刷牙時讓水龍頭開著,浪費了大量的水。(C) tap (水)龍頭,閥門