"Hospitable" means welcoming or being a good host. To further help you, "diabolical" means evil and wicked; "excessive" means too much; "itinerant" means wandering, travelling, or nomadic. 

"Magnanimous" means generous and forgiving others easily. The best choice is "benevolent," which shares the same meaning. Considering the other choices, "magnetic" means capable of being attracted to a magnet, "big" means great in size, and "thrifty" means not wasteful with money.

The word "obsequious" means overly attentive and obedient. The best choice is "obedient," because it is part of the definition of "obsequious." Considering the other choices, "sequester" means remove or separate, "objective" means not influenced by personal feelings when used as an adjective, and "disrespectful" means not showing respect for something or someone.

Someone who is "diffident" is very shy and lacking in self-confidence, so "shy" is the correct answer.

“Beatific” means innocent or pure. To provide further help, “demonic” means characterized by evil or devilish behavior; “impure” means dirty, not innocent; “considerate” means kind and often thinking of others; “cerebral” means related to the brain and intelligence. A “cerebral” person is very smart.

"Courteous" means polite or well-mannered, so "well-mannered" is the correct answer. None of the other answer choices are close in meaning to "courteous": "culpable" means guilty or blameworthy; "trivial" means small and unimportant; "arrogant" means boastful or egotistic; and "naive" means child-like in judgement.

The adjective "diffident" describes a person who is shy or reserved due to a lack of comfort around other people. "Brisk" means fast, or crisp when referring to weather, so that choice can be eliminated immediately. "Efficacious" is synonymous with effective, which is unrelated in meaning to "diffident." Finally, a "talkative" person is clearly not shy or reserved. "Timid," which implies shyness, low self-confidence, and nervousness around others, is the best choice here.

"Loquacious" is an adjective that means "tending to talk a great deal; talkative." So, because "talkative" is the only answer choice that is close in meaning to "loquacious," "talkative" is the correct answer.

The word "repugnant" means extremely offensive. The best choice is "disgusting," as it shares the same definition as "repugnant."

The word "inept" means lacking skill or intelligence. The best choice is "incompetent," which also means lacking skill or intelligence. Considering the other choices, "capable" is an antonym of "inept" and means having skill or ability, "intent" means determined when used as an adjective and purpose when used as a noun, and "attentive" means paying attention or observant.