【nomi】評論
Anita cleaned her bedroom before she went to bed.安妮塔在睡覺前打掃了她的臥室。(A) when 當……時(B) after 之後(C) before 在……以前(D) because 因為beforeKK[bɪˋfor]D連接詞1.在……以前Check it carefully before you hand it in. 交來之前仔細核對一下。Make sure your hands are clean before you have your dinner.在你吃飯之前，確保你的手是乾淨的。