(you, lock, always) the door to your apartment when you (leave)
举一反三
- Don't forget _________ (lock) the door when you leave the laboratory.
- Don"t forget to lock the door ______ you leave the room. A: after B: since C: for D: when
- _______ is necessary to lock the door when you leave.
- Don’t forget (lock) the doors when you leave your car in the parking lot.
- Don’t forget (lock)the doors when you leave your car in the parking lot.?xml:namespace