Identify the complete subject in the following sentence: The red truck had a flat tire. red truck tire The red truck a flat tire truck 2. Identify the subject in the following sentence: Biology is the exam that I'll study for first. Biology Biology is the exam exam I study 3. Identify the simple subject in the following sentence: The quiz had ten questions. The quiz had ten questions The quiz quiz questions 4. Please identify what 'The angry driver' is in the following sentence: The angry driver leaned on his car horn. simple subject pronoun verb complete subject compound subject 5. Please identify what 'Marco and I' is in the following sentence: Marco and I left the field after the game. compound predicate predicate singular subject two pronouns joined by a conjunction compound subject