"Tốcđộcủaánhsángphảitốcđộnhanhnhấtkhông?"

Translation:Is the speed of light the fastest speed?

2 years ago

3 Comments


https://www.duolingo.com/kebukebu
kebukebu
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Does the following also make sense?: "Does the speed of light have to be the fastest speed?"

2 years ago

https://www.duolingo.com/ckhadung
ckhadung
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Yes but it does not match the original sentence in Vietnamese. When posing a question involving this form "is something something", one uses "có phải là". It does not associate with "have to" as the hint suggests.

2 years ago

https://www.duolingo.com/kebukebu
kebukebu
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Thanks a lot!

2 years ago
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