Connections and summarizing are the correct words.
I don't really know what you mean by this, unless it's a line or strings.. .w.
The underlined subject of the sentence the skyscraper that was built last year is a noun phrase.When determining the type of phrase, you first need to find its center, of the most prominent word. Here, the center is skyscraper, which is a noun, which means that the whole phrase is a noun phrase.
Generally, it keeps the reader interested. Also, when you start an essay/story, include a hook to capture your reader.
Answer:
Because he does what he can
