miss wang went to shanghai this moring she gave back the back to him yestarday过去式变为现在完成时还有 I bought the computer last Sunday、过去式变为现在完成时

问题描述:

miss wang went to shanghai this moring she gave back the back to him yestarday过去式变为现在完成时
还有 I bought the computer last Sunday、过去式变为现在完成时