1）过去完成时Half an hour had gone by,but the last bus hadn’t come yet.We had ...

通过对第一单元的学习，我认识到了听力的重要性和难点，对于单词的读音有了新的认识，元音要读准确才能读得更圆润。还知道了要尽量用简单英语词汇解释高级...