In order to prevent the fire spreading, some of the houses nearby ______ pulled down before the firemen arrived.
A: have been
B: have
C: had been
D: had
A: have been
B: have
C: had been
D: had
举一反三
- In order to prevent the fire from spreading, some houses ______before the firemen arrived. A: are pulled down B: were pulled down C: have been pulled down D: had been pulled down
- 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
- When the firemen arrived, the fire _________ put out. A: has B: had C: is D: had been
- I hear that all those houses in the street ______ by the time you come back. A: will pull down B: will have been pulled down C: will be pulled down D: will have pulled down
- All the tickets ______ out when we arrived. A. had sold B. have been sold C. have sold D. had been sold