I. Fill in the blanks with: Must, should, ought to, would, can, could, be able to, may, might?
1. Michael .............opened............. (open) the door without his keys yesterday.
2. .......Did you leave........ (I/leave) my luggage here?
3. Susan ...........played.............. (play) the guitar at the age of 7.
4. ..........Are you close............(you/close) the window, please?
5. You .............have to study........... (study) hard if you want to pass your exams.
6. ...........Can I have.......... (I/have) a glass of orange juice?
7. You ..........see........... (see) a dentist for a check-up every 6 months.
8. You ........will spend.......... (spend) your summer vacation in Mallorca this summer