Final answer:
The sentence that incorrectly uses the word 'falter' is 'O Gosh writing these quizzes make me tired...'. Falter implies a loss of strength or momentum, which does not apply to the given sentence.
Step-by-step explanation:
Among the sentences provided, the one that uses the word falter incorrectly is option (d) 'O Gosh writing these quizzes make me tired...'. The word falter typically means to lose strength or momentum, to hesitate in action, or to move unsteadily or in a way that shows a lack of confidence. In the context of this sentence, falter does not fit properly as there is no reference to hesitation or loss of strength, but rather to general fatigue.
To answer the review questions regarding comma usage:
- I finally found my keys, and I got to work just in time.
- Mrs. Contreras threw out her old coffee table and cleaned the carpet.
- Taking the elevator to the roof, we hoped we could see the skyline and the bay.
- Though Susan wasn't feeling well, she went to the store anyway and bought ice cream, pizza, and candy.
- I let my neighbor borrow my phone because she said hers was tapped by the police.