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.
But one innovation or invention was the relocation camps, every Japanese American had to be relocated to one of these camps because the Americans thought that they would turn on them. Another thing that was invented was the jerry can. <span>A jerrycan is a robust liquid container made from pressed steel. It was designed in Germany in the 1930s for military use to hold 20 liters of fuel. in other words its a gas can</span>
When looking for a replacement word in a thesaurus it's always important to make sure the new word conveys the same meaning, with the same amount of power, as the first word. Finding new words that are "fancier" just for the sake of being fancy is rarely good.