Answer:

Explanation:
Given sentence,
Sabin slept at 9 pm.
To change this sentence into negative, add did not after the subject .
Sabin <u>did</u><u> </u><u>not</u> sleep at 9 pm.
Note: While changing positive sentences into negative, V² takes did ( V² = did + V¹ )
Hope I helped!
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Answer: 1: whom 2: who 3: who
Explanation: This is what I think. Apoligies if I got any wrong, I don't use the word 'whom' very much.
She explained what they were doing and what was happening by issuing nonliving things to describe what they were doing or what was happening
The life of the typical college student is characterized by time spent in many different areas. How can this thesis statement be improved?
D. The life of the typical college student is characterized by time spent studying, attending class, and socializing with peers.