Hello!
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1st answer:
A. had cheered.
The sentence is written in past tense.
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2nd answer:
B. found.
The sentence is written in past tense.
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3rd answer:
A. were.
The sentence is written in past tense.
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4th answer:
A. arrived/had already left.
The sentence is written in current/past tense.
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5th answer:
C. was jogging/saw
The sentence is written in past tense.
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The sentences provided are written in past tense, so you use were/was/saw/already left/had/found/etc.
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Hopefully this helps 'ya out! °ω°
( Could 'ya mark as Branliest answer pls? .w. )
~Spider
