Six years have passed _____i began to learn English. A when B for_其他解答

Six years have passed _____i began to learn English. A when B for Csince Dbefore

人气：164 ℃　时间：2020-02-20 19:22:16

解答

答案：C
since 表示“自从,自...以来”.引导时间状语从句,从句用一般过去时,主句用现在完成时.