英语现在完成时态专项练习,写出答案并说为什么 --When____he____(go) there? --He____(go)there to study chemistry in 1945.He____(not return) until 1951.Last year he____(go) there again to attend an important meeting.
--When( did ) he (go) there? --He (went )there to study chemistry in 1945.He (didn't return) until 1951.Last year he (went ) there again to attend an important meeting. 注:以上句子都是一般过去时,因为都有明确的过去时间状语. 加油!不明白再问!