欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

2. Now the mystery is       (解決).People in our town can sleep well and full of energy during the day.

1. We now      (知道)what was happening in the neighborhood. From now on,there is no more mys?tery out of the window.

用might, could,can,must,can't填空。

1.1 can't find my concert ticket and I was anxious. My mother said I       leave it at school but forgot to bring it home. But I never took the ticket to school, so it      be at school. 

2. This morning someone helped me clean the classroom,but I don't know who did it. I think it be Lin Tao. He is warm-hearted and always helps the classmates. But I didn't see him this morning. Someone told me that he was ill at home today. So it       be him. Then,it       be Wang Lin. He is my best friend,and he       help me clean the classroom. I asked him and he said he didn't do that. I felt confused. 

3. Some students think the wallet       belong to Maria. But I think it       be Mary's because there is a photo of Jay Chou in the wallet. And she likes Jay Chou very much.

7. There have been strange crop       (圓圈)on the earth for many years. It's so amazing！All our classmates wonder how they appear.

6. I'm on duty today. So I went to school earlier than before to clean the classroom. But to my surprise,

the classroom was very clean.        (某人)has cleaned it. I wondered who did it.

5. I'm really worried,because I lost an ancient coin. It is very      (有價值的）.

4. My classmates and I have found a      (粉紅色 的)wallet on the playground. We discuss about

w      wallet it is.

3. These days,something unusual is happening in our town. We're really nervous because every night we

hear strange      (噪音)outside our window. It made us not sleep well at night and feel s       during the day.

2. A strange man came while I was having a       (野餐），but soon I couldn't find him.

1. I planned to a       a concert yesterday but my ticket disappeared.