Thestudents______theclassroomnow.
A: cleaned
B: arecleaning
C: have been cleaning
D: clean
A: cleaned
B: arecleaning
C: have been cleaning
D: clean
举一反三
- By the time you get home, I ___________ the house from top to bottom. A: will clean B: have cleaned C: will have cleaned D: am cleaning
- The students _________ their classroom when the visitors arrived.A . have cleaned B. had cleaned C. was cleaning D. have been cleaned
- The classroom needs____. A: clean B: cleaned C: to clean D: cleaning
- My friends will come to my house today, .so I'll have it ______ first. A: clean B: cleaning C: cleaned D: to be cleaned
- I came across this old book while I ____ my room. (2018) A: clean B: will clean C: have cleaned D: was cleaning