题目

_______ caused the accident has not been found out yet. A . What B . Which C . The thing D . That 答案：A我能把整体认读音节用“〇”圈出来。yuè liɑnɡ yǒu shíwān yòu wān ， yǒu shíyuányòu yuán ， bái tiān bù chūlái ， yèwǎnchánɡjiàn miàn .