We _________(do clean) up our classroom a moment ago.
举一反三
- We need to do something to keep our classroom _____. A: cleaning B: clean C: cleaned
- -Do you often clean your classroom? -Yes. Our classroom __________ everyday.
- Do you often clean your classroom?—Yes. Our classroom ___ every day.( ) A: clean B: cleans C: is cleaned D: is cleaning
- ---Must we clean the classroom before class?---No, you ___ (not). They will do it after class.
- Our classroom is too dirty so it needs ____ (clean).