She makes a joke about how handsome Menelaus is because a joke can make anyone laugh or happy and I have never known a person to cry at dinner after a joke.
The sentence that contains a plural subject is: The candidates for class president are giving their speeches tomorrow. The subject in this sentence is the word "candidates" and this is a plural subject. When the subject is plural, the verb that should be used in the sentence should also be in the plural form which is the word "are". The rest of the choices above have single subjects.
Answer: John Proctor certainly is an interesting character in The Crucible. He is the best example of a dynamic character.
Explanation: John Proctor certainly is an interesting character in The Crucible. He is the best example of a dynamic character, and following his changes revealed much about the plot. Proctor previously was distant and temperamental, but in the end became much more true and courageous, finally dying serenely.