absorb (Verb) : to take something into mind and learn or understand it; take in; engross
engross (Verb) : to give all your attention and time
dismiss (Verb) : to decide that somebody or something is not important and not worth thinking or talking about; put aside
oppress (Verb) : to treat somebody in a cruel and unfair way
endanger (Verb) : to put somebody or something in a situation in which he could be harmed or damaged

Correct Option: C

absorb (Verb) : to take something into mind and learn or understand it; take in; engross
engross (Verb) : to give all your attention and time
dismiss (Verb) : to decide that somebody or something is not important and not worth thinking or talking about; put aside
oppress (Verb) : to treat somebody in a cruel and unfair way
endanger (Verb) : to put somebody or something in a situation in which he could be harmed or damaged

lonely (Adjective) : unhappy because you have no friends or people to talk to; isolated
solitary (Adjective) : done alone without other people; enjoying being alone; single
solid (Adjective) : hard or firm; strong and made well; that you can rely on
solicitous (Adjective) : being very concerned for somebody and waiting to make sure that
he is comfortable, well or happy; attentive
voluntary (Adjective) : done willingly; done by people who choose to do it without being paid

Correct Option: C

lonely (Adjective) : unhappy because you have no friends or people to talk to; isolated
solitary (Adjective) : done alone without other people; enjoying being alone; single
solid (Adjective) : hard or firm; strong and made well; that you can rely on
solicitous (Adjective) : being very concerned for somebody and waiting to make sure that
he is comfortable, well or happy; attentive
voluntary (Adjective) : done willingly; done by people who choose to do it without being paid

opponent (Noun) : a person that you are playing or fighting against in a game, competition, argument etc.; adversary
antagonist (Noun) : a person who strongly opposes somebody or something; opponent
non – believer (Noun) : someone who refuses to believe
trouble–maker (Noun) : a person who often causes serious problems
trouble – shooter (Noun) : a person who helps to solve problems in a company or an organisation

Correct Option: D

opponent (Noun) : a person that you are playing or fighting against in a game, competition, argument etc.; adversary
antagonist (Noun) : a person who strongly opposes somebody or something; opponent
non – believer (Noun) : someone who refuses to believe
trouble–maker (Noun) : a person who often causes serious problems
trouble – shooter (Noun) : a person who helps to solve problems in a company or an organisation

ordinary (Adjective) : not unusual or different in anyway; having no unusual or interesting features
mundane (Adjective) : not interesting or exciting; dull; ordinary
musical (Adjective) : connected with music; containing music; with a natural skill or interest in music; pleasant to listen to
mortal (Adjective) : that cannot live for ever and must die; causing death or likely to cause death; very serious; lasting until death;
deadly mandatory (Adjective) : required by law; compulsory

Correct Option: B

ordinary (Adjective) : not unusual or different in anyway; having no unusual or interesting features
mundane (Adjective) : not interesting or exciting; dull; ordinary
musical (Adjective) : connected with music; containing music; with a natural skill or interest in music; pleasant to listen to
mortal (Adjective) : that cannot live for ever and must die; causing death or likely to cause death; very serious; lasting until death;
deadly mandatory (Adjective) : required by law; compulsory

misfortune (Noun) : bad luck; an unfortunate accident, event or condition
adversity (Noun) : a difficult or unpleasant situation
opponent (Noun) : a person that you are playing or fighting against in a game, competition, argument, etc.; adversary
adversary (Noun) : opponent; a person that somebody is opposed to and competing with in an argument or a battle
hostility (Noun) : unfriendly or aggressive feelings or behavior; strong and angry opposition towards an idea, a plan or a situation

Correct Option: B

misfortune (Noun) : bad luck; an unfortunate accident, event or condition
adversity (Noun) : a difficult or unpleasant situation
opponent (Noun) : a person that you are playing or fighting against in a game, competition, argument, etc.; adversary
adversary (Noun) : opponent; a person that somebody is opposed to and competing with in an argument or a battle
hostility (Noun) : unfriendly or aggressive feelings or behavior; strong and angry opposition towards an idea, a plan or a situation