You must ask for _______ (permit) before you leave.
举一反三
- Under the terms of the contract, you must give 3 months’ notice before you leave. A: subjects B: expressions C: words D: rules
- W: Can we leave the lab now, teacherM. No, you must tidy the lab before you leave. When can the student leave(). A: The student can’t leave unless he has put everything back in the cupboard. B: The student can leave after he turns off the electricity. C: The student can leave after he has tidied the lab.
- You must ________ before you deliver a speech.
- They like to know you before they ask you to go to their homes.
- You must ____ all the aspects ____ before you make a decision.