topic sentence怎么写？

Writers use topic sentences to let the readers know what to expect in the paragraph

Most topic sentences are direct statements.

· The invention of the telephone has influenced the way we live in innumerable ways, some less obvious than others.

· Wyoming cowboys have four distinct styles of dress,

· Sherlock Holmes and Doctor Watson were the first “buddies” in what was to become a pattern in detective stories.

· Vandals affect a community no matter how prepared it is.

For Readers: The topic sentence states the main idea of the paragraph (usually at or near the beginning)

For Writers: The topic sentence serves as a reminder of the boundaries of the paragraph, thereby helping them stick to the point and develop a unified paragraph.

Once you have a clear topic sentence, you will find it easier to complete the paragraph. If you are having difficulty completing a paragraph, you