He told me that he ______.

A. But for the driver, we would have survived that accident.

B. If we weren’t driving carefully, the driver couldn’t have survived that accident.

C. Had the driver not been driving carefully, we wouldn’t have survived that accident.

D. Without our seat belts, we could have survived that accident.

A. have been

B. was

C. were

D. had been

A. research into sound reproduction.

B. development of sound with movies.

C. disadvantages of synchronized sound.

D. history of silent movies.

A. are

B. were

C. have been

D. is

A. would have tried

B. would try

C. will not try

D. wouldn't have tried

A. tries

B. receives

C. teaches