los sàndwhiches de este restaurante siempre son deliciosos.
sandwhiches are plural, son is the plural of the verb "ser" or "to be"
The first one is 'a ti' and the second one is "a nosotros"
D. Explain to the reader why plastic bags are a necessary evil due to the inefficiency and high cost of other environmentally friendly solutions.
The text is promoting us to stop using plastic bags because they pollute the environment. These types of exercises are "<u>reading comprehension</u>".
<h3><em><u>MissSpanish</u></em></h3>
