I am in karachi, because Karachi is a city and you can't be "at" a city. Saying I'm at only works if it a place such as a grocery store or a mall, but does not apply to cities or countries.
After the first use of 'astronaut'
Answer:
this is Active voice
Explanation:
Active voice means that the subject of the sentence is doing the action. Passive voice means that the object of the sentence behind a preposition, even if no prepositional phrase is present, is doing the action. Example: I threw the ball (active). Example: The ball was thrown by me (passive).
hope this helps luvv :) Brainliest plzzz