yes
No, it is more correct to say, "What day is it today?"
Yes, by the end of today is correct. It's not a complete sentence, though.
Wednesday morning, it is correct to say I have not seen him for one day. Wednesday afternoon, or by working day end, it is correct to say I have not seen him for two days
Yes, you can say that; we've got today to get this job done.
No. You should say: "You were starting to do your homework when he came in."You rarely have two conjugated verbs in a sentence unless it is compound or there is a dependent clause in the sentence.
No, it is more correct to say, "What day is it today?"
It is grammatically correct to say , "I am in school today." This is because you are in the building, not at the building.
Yes.
The correct phrase is "today's day and age
"We were informed it will be corrected today" is a correct sentence. However, it might sound a little better to say "We were informed that it will be corrected today."
Yes, that sentence is grammatically correct.
It is correct, but it would be nicer to use the baby's name, as in "How is Johnny today?"
Yes, by the end of today is correct. It's not a complete sentence, though.
Wednesday morning, it is correct to say I have not seen him for one day. Wednesday afternoon, or by working day end, it is correct to say I have not seen him for two days
Yes, you can say that; we've got today to get this job done.
no you would say we or you me and him!1
No. For example, it is perfectly correct to say, "It was very hot today."