It is an imperative sentence. An exclamatory sentence would have an exclamation mark at the end, and an interrogative sentence would have a question mark. This sentence, an imperative sentence, is telling someone to do something or ordering them to, which is the basis for an imperative sentence
<span>The answer is, A. Our guest speaker today is Sgt. Lillian Hausfeld. </span>
implausible was first recorded from 1595 to 1605
A hyphen would be suitable