有关新概念3第六课的问题
After gazing at the dispiay for several minutes,Mr Taylor went back into his shop.
这句话若作同义修改,前头的“After gazing at the dispiay for several minutes”是改成“after he gazed at the dispiay for several minutes”还是“after he had gazed at the display for several minutes”?
参考答案:The first is better.