you already your room? -Yes.I it two hours ago
A: Did, clean; cleaned
B: Did, clean, have cleaned
C: Have, cleaned; cleaned Have, cleaned; have cleaned
A: Did, clean; cleaned
B: Did, clean, have cleaned
C: Have, cleaned; cleaned Have, cleaned; have cleaned
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 classroom needs______. A) clean B) to clean C) to be cleaned D) being cleaned A: clean B: to clean C: to be cleaned D: being cleaned
- 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 should have told you! You ______ the entire house. Our cleaning lady phoned she's coming tomorrow. A: didn't need to clean B: needn't have cleaned C: don't need to clean D: mustn't have cleaned
- The students _________ their classroom when the visitors arrived.A . have cleaned B. had cleaned C. was cleaning D. have been cleaned