【正文】
hanked me for what I (do) for her son. 答案 :had done (learn)300 words by the end of last month. 答案 :had learned changes (take) place since 1996. 答案 :have taken told me he (live) in Beijing since he was born. 答案 :had lived was the first time I (visit) the Great Wall. 答案 :had visited Ⅱ. 單項(xiàng)填空 1.(2021 遼寧 ,34)By the time Jack returned home from England,his son from college. graduated been g