问题描述：
用never,ever,already,yet,for,since填空
1.I have _______ seen him before,so I have no idea about him.
2.Jack has _________ finished his homework ________ an hour ago.
3.Mr.Wang has taught in this school ________ ten years.
4.“Have you ________ seen the film?” “No,I have ________ seen it.”
5.“Has the bus left _______?” “Yes,it has _________ left.”
1.I have _______ seen him before,so I have no idea about him.
2.Jack has _________ finished his homework ________ an hour ago.
3.Mr.Wang has taught in this school ________ ten years.
4.“Have you ________ seen the film?” “No,I have ________ seen it.”
5.“Has the bus left _______?” “Yes,it has _________ left.”
问题解答：
我来补答展开全文阅读