Điền might hoặc might not vào chỗ trống

Ex 4 : Điền might hoặc might not
1.The sky looks cloudy. It......... rain
2. I......... watch the football game on Sunday; I am too busy
3. You should ask him. He ......... know Susan's telephone number
4. Jenny...... be in the office-I can't  reach her at home
5.I have a lot of homework to do, so I......... go to her party this weekend
6.Where will you travel next year?-We.......go to Egypt, but we're not sure yet
7.Don't go any closer-it....... be safe