gnaw (V.) : to keep biting/ chewing hard
chew (V.) : to bite continuously
cut (V.) : to make an opening ; to divide with a knife
split (V.) : to divide ; to tear ; to leave somebody and stop having a relationship with him

Correct Option: D

gnaw (V.) : to keep biting/ chewing hard
chew (V.) : to bite continuously
cut (V.) : to make an opening ; to divide with a knife
split (V.) : to divide ; to tear ; to leave somebody and stop having a relationship with him

sanatorium (N.) : a place like a hospital where patients who have a lasting illness or who are getting better after an illness are treated
hospital (N.) : a large building where people who are ill/sick/ injured are given medical treatment and care
asylum (N.) : a hospital where people who were mentally ill could be cared for, often for a long time
retreat (V.) : to move away from a place ; to recede ; to back off ; to retire

Correct Option: C

sanatorium (N.) : a place like a hospital where patients who have a lasting illness or who are getting better after an illness are treated
hospital (N.) : a large building where people who are ill/sick/ injured are given medical treatment and care
asylum (N.) : a hospital where people who were mentally ill could be cared for, often for a long time
retreat (V.) : to move away from a place ; to recede ; to back off ; to retire

infallible (Adj.) : never making mistakes
inexplicable (Adj.) : that cannot be understood/explained ; incomprehensible
inevitable (Adj.) : that cannot be avoided; prevented ; unavoidable
indispensable (Adj.) : essential, too important to be without

Correct Option: D

infallible (Adj.) : never making mistakes
inexplicable (Adj.) : that cannot be understood/explained ; incomprehensible
inevitable (Adj.) : that cannot be avoided; prevented ; unavoidable
indispensable (Adj.) : essential, too important to be without

philanthropist (N.) : a rich person who helps the poor and those in need
philologist (N.) : a person who studies about the development of a language
philosopher (N.) : a person who studies/ writes about the nature and meaning of the universe and human life
philatelist (N.) : a person who collects/ studies stamps

Correct Option: C

philanthropist (N.) : a rich person who helps the poor and those in need
philologist (N.) : a person who studies about the development of a language
philosopher (N.) : a person who studies/ writes about the nature and meaning of the universe and human life
philatelist (N.) : a person who collects/ studies stamps

anarchist (N.) : a person who believes that laws and governments are not necessary
villain (N.) : a person who is morally bad/responsible for causing personal trouble
criminal (N.) : connected with crime
enemy (N.) : a person who hates somebody/ something or who acts or speaks against somebody/something

Correct Option: A

anarchist (N.) : a person who believes that laws and governments are not necessary
villain (N.) : a person who is morally bad/responsible for causing personal trouble
criminal (N.) : connected with crime
enemy (N.) : a person who hates somebody/ something or who acts or speaks against somebody/something