Answer:
A vaccine (or immunization) is a way to build your body's natural immunity to a disease before you get sick. This keeps you from getting and spreading the disease. For most vaccines, a weakened form of the disease germ is injected into your body.
Explanation:
█ Question █
Which sentence has an incorrect shift in pronoun-antecedent agreement?
█ Answer <span>█
</span>
<span>Students must see his counselors before the end of the semester.
The shift in the pronouns is written incorrectly. Therefore the answer is letter B.
</span><span>Hope that helps! ★ <span>If you have further questions about this question or need more help, feel free to comment below or leave me a PM. -UnicornFudge aka Nadia </span></span>
Answer: I hosted a birthday party last Sunday.
Explanation: You need to capitalize. BUt I could be wrong