The classroom _______ cleaned before the teacher came in.
A: was
B: has been
C: had
D: had been
A: was
B: has been
C: had
D: had been
举一反三
- The students _________ their classroom when the visitors arrived.A . have cleaned B. had cleaned C. was cleaning D. have been cleaned
- John………in Japan before he came here. A: learned B: been educated C: been reading D: had gone to school
- ______ for your advice, I would have been taken in. A: Had it not B: B. Had it not been C: If it had not D: Weren’t it
- The police found that the house_______and a lot of things_________. A: has brokeninto,has been stolen B: had broken into,had been stolen C: has been broken into,stolen D: had been broken into,stolen
- The fire ______ for three hours before the fire fighters arrived. A: had been burning B: had burned C: would have burning D: has been burning