The correct answer is his, that is a possessive pronoun.
Answer:
A reader must read through the story and find the main events and make an educated guess.
Explanation:
I think. that's what i do soo
False because if you don't know the part of speech then you wont how to correctly or fully understand what the conversation.
Group of stars.
An appositive or appositive phrase renames a noun or pronoun that is right beside, specifically after, it. It is usually used to provide additional information, like a definition or clarification. In this sentence, "group of stars" is defining "constellations" making it the appositive phrase.
The correct sentence is the second one "She built a high-performance CPU".
The first sentence should not contain a comma and is incorrect. The third sentence is incorrect because there shouldn't be a dash before CPU. The fourth sentence is incorrect because CPU is not written with dashes.