新概念二:53课练习题C组答案
来源:百度知道 编辑:UC知道 时间:2024/05/24 12:58:29
looked arrived have been waiting answered have been
went said have got were not came said waited did not come
were doing asked have been answered
PS:很有几空时态可以变换,而且不影响句意。我的只是一种
偶是做过滴!!