We need to do something to keep our classroom _____.
A: cleaning
B: clean
C: cleaned
A: cleaning
B: clean
C: cleaned
举一反三
- Do you often clean your classroom?—Yes. Our classroom ___ every day.( ) A: clean B: cleans C: is cleaned D: is cleaning
- The classroom needs____. A: clean B: cleaned C: to clean D: cleaning
- The classroom is so dirty. It needs _____. A: to clean B: cleaning C: being cleaned D: cleaned
- The classroom must ______. A: be kept clean B: keep cleaned C: kept clean
- The classroom needs______ , for it’s too dirty. A: clean B: to clean C: being cleaning D: to be cleaned