How dirty the tables are! They need ( ).
A: to clean
B: cleaning
C: to be cleaning
D: cleaned
A: to clean
B: cleaning
C: to be cleaning
D: cleaned
举一反三
- While I ______ the house yesterday, I found an old photo of my grandparents. A. cleaned B. was cleaning C. clean D. am cleaning A: cleaned B: was cleaning C: clean D: am cleaning
- We need to do something to keep our classroom _____. A: cleaning B: clean C: cleaned
- The classroom needs____. A: clean B: cleaned C: to clean D: cleaning
- She _____ the room when I went to see her . A: clean B: is cleaning C: cleaned D: was cleaning
- The classroom is so dirty. It needs _____. A: to clean B: cleaning C: being cleaned D: cleaned