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 area of California in which we live is dry and arid, and yet we see grass growing in large areas around homes and office buildings. This practice is not only wasting water but is costing the city too much money—money that could be used for other projects.
Answer:
Explain:
A) Laura cooks every night.
B)Jose works in a big factory.
C)I play football
D)My mum and dad live in Buenos Aires.
E)Sofia visits her grandma once a week.