杭州之江科学仪器厂:现在完成时的例句(越多越好)
来源:百度文库 编辑:中科新闻网 时间:2024/05/17 06:19:10
I have answered the quesion
The quesipn has been solved
Computer has been invited for many years
Have you been to the USA?
He has gone to home
I have had supper.