Cambridge English Corpus, the book is valuable to undergraduate students, but it can also be a quick refresher on the topic for some graduate students.In some writing assignments, students are given a topic by their teacher.

topik (12) 35,000 / topik (36) 40,000.Other times, students are free to choose their own topic to write about.The topic could be related to something that was studied in class such as a piece of literature or a history or science concept.

Effective writing requires people to remain on topic, without adding in a lot of extraneous information.These examples are from the Cambridge English Corpus and from sources on the web.