Answer: C
Explanation: whom is object pronoun which applies to people, which means it describes the person on the receiving end of action that was actually performed, e.g I don't know for whom he called, from here the main clause is(I don't know) and the relative clause( whom he called). The same goes for "To whom should we send the check" to whom(main clause) while "To whom should we" (relative clause), send the check(main clause)...
C, is where it is properly used.
The answer to this question is <span>The alphabet it has all of those and none at the same time</span>
Answer:B
Explanation: you write the introduction first it makes it a lot
easier and in the long run makes your essay sound more planned.
Hard to judge without the context of the other sentences of the story but if I had to guess, it sounds "inviting and familiar" to me.