ChenWeiisn的精選

問題詳情：ChenWeiisn’tatschooltoday________heistakingarobotcompetitioninShanghai.  A.so                            B.because                  C.before ...

問題詳情：ChenWeiisn'tatschooltoday________heistakingarobotcompetitioninShanghai．（）A．soB．because   C．beforeD．if【回答】B知識點：連詞題型：選擇題...