- What’s the matter with you?[br][/br]- ________ the window, my finger was cat unexpectedly.
A: Cleaning
B: To clean
C: While cleaning
D: While I was cleaning
A: Cleaning
B: To clean
C: While cleaning
D: While I was cleaning
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
- While cleaning his gun, it went off unexpectedly.
- 7) While cleaning his gun, it went off unexpectedly.
- I came across this old book while I ____ my room. (2018) A: clean B: will clean C: have cleaned D: was cleaning
- I'll go with you after I get through with _________ the house. A: cleaning B: to cleaning C: to be cleaned D: to clean