This list of countries by rail transport network size based on International Union of Railways data ranks countries by length of rail lines worked at end of year updated with other reliable sources. These figures also include urban/suburban mass-transport systems; as well as lines which are not used for passenger services. 1 List.
Review with students what a topic sen-. tence is. (The topic sentence is the sentence. containing the main idea of a paragraph-. often, but not always, the first sentence in. the paragraph.) Put a couple of good models. from the daily newspaper on the overhead-.
Examples: I'm going to talk about dogs.. Today I'm going to share with you a few things you most likely did not know about dogs.. A topic sentence is a sentence that give you kind of a hint of what your story is going to be about. It doesn't give what your story is about, it just gives a little clue.