Intro and/or conclusion paragraph about Ancient Rome stuff about when and how it was built pleaseee

Dogs make wonderful pets because they us stay happy and healthy. the topic sentence is "dogs make wonderful pets." , is this correct? i keep doubting myself.

What functions as a reflexive pronoun in the sentence the professor herself wanted to attend the conference, but it was cancelled when she and several other presenters had to excuse themselves

Why did orson welles change the beginning of the war of the worlds for his radio broadcast? a. to capture the attention of his listeners, who may have been doing other things b. to get around copyright laws associated with using material from a published book c. to ask members of the audience to call family and friends and encourage them to listen d. to remind listeners to call police for more information