What common themes of war literature are reflected in these excerpts

Which three sentences in this excerpt from arthur conan doyle's "the contest" suggest that the author's tone is mocking?

Read the sentence and select the statement that best describes it. i should leave now. the sentence is complete. the sentence is missing a subject. the sentence has one dependent clause and one independent clause. the sentence is missing a predicate.

Match the description to the term. 1. textbooks conference usage 2. elements surround a word which clarify the meaning casual usage 3. the way in which english is used context 4. family and friends frozen usage 5. friends at a football game formal usage 6. teachers and employers intimate usage 7. making an appointment usage