9. I’m sorry but I may / must have lost your glasses. I’m not sure though – I’m still looking for them.______
举一反三
- I’m sorry I cannot join your party tonight. I ______ work overtime. A: must B: have to C: can D: may
- 青书学堂: I’m sorry to break your glasses. ____________
- “I’m sorry to have wasted your time” or “I’m sorry to have taken up so much of your time” are usually appropriate for the business visit.
- I'm sorry, I ______ be out at the moment. A: may B: could C: can D: must
- I’m sorry I’m __ your way. A: on B: in C: at D: for