I cleaned my classroom ___________.
举一反三
- I cleaned my classroom _____. A: three hours before B: three hours ago C: in three hours
- I cleaned my classroom ___________. A: with three hours B: three hours ago C: in three hours D: three hours before
- What ___ you ___ yesterday?I cleaned my room.
- I have my house cleaned once a week.（)
- The students have cleaned the classroom, _______?