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Help the concerned roommate complete their interrogation by selecting the correct options from the drop-down menus.
Roommate A: Okay, ____________________________ kept this glowing, radioactive rock on our coffee table?!
Roommate B: Relax! I've only had it _________________________ last Tuesday, and it makes a great nightlight!
Roommate B: Relax! I've only had it _________________________ last Tuesday, and it makes a great nightlight!
How long have you kept this glowing, radioactive rock on our coffee table?! I've only had it since last Tuesday, and it makes a great nightlight!
We use "How long have you..." to ask about the duration of a state or action that started in the past and continues into the present.
We use "since" (not "for") when we mention a specific starting point in time, like "last Tuesday."