Read the excerpt from “the gift of the magi” by o. henry. which sentence uses an auxiliary verb to express certainty?
out of his trance jim seemed quickly to wake. he enfolded his della. for ten seconds let us regard with discreet scrutiny some inconsequential object in the other direction. eight dollars a week or a million a year - what is the difference? *a mathematician or a wit would give you the wrong answer.* the magi brought valuable gifts, but that was not among them. *this dark assertion will be illuminated later on.*
jim drew a package from his overcoat pocket and threw it upon the table.
"don't make any mistake, dell," he said, "about me. *i don't think there's anything in the way of a haircut or a shave or a shampoo that could make me like my girl any less.* but if you'll unwrap that package you may see why you had me going a while at first."

Read the passage. the dust bowl during the 1930s, extreme drought and high winds made life incredibly difficult in the great plains region of the united states. in many areas, rainfall was forty percent less than normal. the soil became extremely dry, and when strong winds blew, they created tremendous dust storms. these so-called “black blizzards” were so thick that they made daylight seem like dusk. during this terrible period, the great plains region of the united states was named the “dust bowl.” over the next few years, the drought continued, and the winds created more dust storms. in some places, the drought and high winds lasted for eight years. many people wondered if the black blizzards would ever end. which statement about this paragraph’s main idea is true? this paragraph’s main idea is stated in the topic sentence. there are not enough details to support the main idea. this paragraph’s main idea is implied. this paragraph does not express a main idea.