Which sentence must be revised to eliminate the preposition at the end?

If no one answers the door, then please let yourself in.
The top steps are fine, but be careful of the slippery stairs below.
Where are Katelyn and Ella walking to?
Do you know what Naveen was talking about?

the answer is a.

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hope this !

a line graph will be best to show the income.

working in public administration clerical support,what might one of your jobs be?

clerical work generally involves day-to-day office tasks, such as answering phones and entering data into spreadsheets. these tasks may be performed by secretaries, office clerks and administrative assistants. other duties traditionally associated with clerical work include: word processing and typing.

answer is a.returning items from customers that they did not find worth their money or b.collecting money from people with speeding tickets and filing the information

explanation:

b. collecting money from people with speeding tickets and filing the information is the correct answer choice