Germany and Japan have been successful in making superfast trains. They had been working on it for the past 20 years.(A) Germany and Japan have been successful in making superfast trains for they .....(B) Since Germany and Japan had been working on .....(C) While Germany and Japan have been successful in

Comments and Answers (2)

Rashmi

Rashmi

how did the answer came

Archana

Archana

please anyone explain this answer

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