Question

chen

Over the past several days, Cloud Stream IT Consultants ____ an intensive analysis of the company's server and database .
____答案是have performed
但為什麼不是was performing ?
過去進行式和現在完成式要怎麼分？

Answer 1

✨ 最佳解答 ✨

學測個人申請戰士(好抖ˇ啊

"Over the past several days"這是關鍵
只要看到幾年來(Over the XXX years)、最近(recently)等等這類的時間副詞就要用完成式