"Are you sure you left it on the table?" asked Roberto. is the only correctly punctuated sentence here.
the first sentence requires a COMMA inside the quotations, rather than a period. "Judy said" is attached to the quote, because the quote is judy's words. you keep them together, rather than making them two separate sentences.
the third sentence is missing a comma as well. "oh no," sarah said... is the correct way to write it, with a comma after "no."
the fourth sentence is wrong for several reasons. your end punctuation goes inside your parentheses, and this sentence put the exclamation point after. "She laughed" additionally requires a period to end the sentence, stating that she laughed, then offering her dialogue. alternatively, you could place a comma after "laughed" and accept that for the verb leading into the quote.
I think it's like talking or thinking completely off topic, but I am not sure
The only sentence which is not a proposition is Sit down, because this is imperative, you are ordering somebody to do something, whereas propositions merely inform.
An strong argument For using the atomic bomb is that it will show the power and the technology that the USA has. An strong argument Against is that it will cause a massacre as well as an devastating environmental impact. Remember that arguments have to be valid and convincing. They should also be well supported with explanations and examples.
Answer:
the boys played basketball at school after every afternoon
