Which of the following is not a common verb?

Bella is going to write a research paper. she chose sports as her topic, but her teacher said she must narrow or limit her topic. choose the topic that limits the broad topic of sports the most. a) a history of sports in the united states b) a history of tennis c) rules and etiquette of tennis d) training and equipment for outdoor sports

Which line from “a simple way to create suspense” best supports the central idea that writers should not give their readers answers too quickly? a. the reader learns to chase, and the momentum becomes unstoppable. b. so writers are taught to focus on ingredients and their combination. c. we had to invent a solution to the serious problem it posed. d. thus the principle works in a micro sense, as well as in a macro one.

Iam giving 10 points and ! need asap