Someonecalledmeupinthemiddleofthenight，buttheyhungup
問題詳情：
Someone called me up in the middle of the night，but they hung up ________ I could answer the phone. A. as B. since C. until D. before
【回答】
D
知識點：連詞
題型：選擇題
問題詳情：
Someone called me up in the middle of the night，but they hung up ________ I could answer the phone. A. as B. since C. until D. before
【回答】
D
知識點：連詞
題型：選擇題
