ghostwrote

"I rather enjoy helping my brother with his homework. "

"The cleaning of the community garden was a thankless task; no one seemed to notice or appreciate the hours volunteers spent tending to the plants. "

"Mariana would rather not ghostwrite for a living because she finds it a thankless task."

"I went to the park because the weather was nice. "

"Do you need a gift for that special someone?"

"My sister is very helpful, especially when it comes to organizing things. "

"The president of the student council used last year's debate as a precedent for this year's election rules. "

"My grandmother is living a long and healthy life. "

"The student's careful research and original writing clearly demonstrated his authorship of the essay. "

"There is one sterling and here is another"

"a literary history"

"The addresses on the envelopes were smudged, making it difficult to deliver the mail. "