B speech because speech is people's interactions with each other and they are informal.
That its a very good book because so many want to read it.
D. Neither he nor his friends studies every day of the week
Answer:
The words fruitless and vain are common synonyms of futile. While all three words mean "producing no result," futile may connote completeness of failure or unwisdom of undertaking. resistance had proved so futile that surrender was the only choice left How do fruitless and vain relate to one another
