cheerful (Adjective) : happy and showing it in your behaviour
doleful (Adjective) : very sad ; mournful
mournful (Adjective) : very sad ; doleful
deceitful (Adjective) : behaving in a dishonest way ; dishonest
beautiful (Adjective) : having beauty; pleasing to the senses

Correct Option: B

cheerful (Adjective) : happy and showing it in your behaviour
doleful (Adjective) : very sad ; mournful
mournful (Adjective) : very sad ; doleful
deceitful (Adjective) : behaving in a dishonest way ; dishonest
beautiful (Adjective) : having beauty; pleasing to the senses

peaceful (Adjective) : not involving in a war, violence or argument
aggressive (Adjective) : angry and behaving in a threatening way ; ready to attack ; acting with force and determination in order to succeed
dull (Adjective) : not bright
doleful (Adjective) : very sad ; mournful
inactive (Adjective) : not busy

Correct Option: B

peaceful (Adjective) : not involving in a war, violence or argument
aggressive (Adjective) : angry and behaving in a threatening way ; ready to attack ; acting with force and determination in order to succeed
dull (Adjective) : not bright
doleful (Adjective) : very sad ; mournful
inactive (Adjective) : not busy

moving (Adjective) : in motion
stationary (Adjective) : not moving ; static ; not intended to be moved ; not changing in condition or quantity
slowing (Noun) : a decrease in speed
standing (Adjective) : having a supporting base ; not moving or
flowing (liquids) ; maintaining an erect position
writing (Noun) : the act of creating written words ; the work of a writer

Correct Option: C

moving (Adjective) : in motion
stationary (Adjective) : not moving ; static ; not intended to be moved ; not changing in condition or quantity
slowing (Noun) : a decrease in speed
standing (Adjective) : having a supporting base ; not moving or
flowing (liquids) ; maintaining an erect position
writing (Noun) : the act of creating written words ; the work of a writer

safety (Noun) : the state of being safe and protected from danger or harm
peril (Noun) : serious danger ; the fact of something being dangerous/harmful
fatal (Adjective) : causing or ending in death; causing disaster or failure
mortal (Adjective) : causing death or likely to cause death ; very serious
uncertainty (Noun) : the state of being uncertain

Correct Option: D

safety (Noun) : the state of being safe and protected from danger or harm
peril (Noun) : serious danger ; the fact of something being dangerous/harmful
fatal (Adjective) : causing or ending in death; causing disaster or failure
mortal (Adjective) : causing death or likely to cause death ; very serious
uncertainty (Noun) : the state of being uncertain

sympathetic (Adjective) : kind to somebody
hostile (Adjective) : very unfriendly or aggressive and ready to argue or fight
host (Verb) : to organize an event ; to compere
proud (Adjective) : haughty
systematic (Adjective) : done according to a system or a plan, in a thorough, efficient or determined way

Correct Option: D

sympathetic (Adjective) : kind to somebody
hostile (Adjective) : very unfriendly or aggressive and ready to argue or fight
host (Verb) : to organize an event ; to compere
proud (Adjective) : haughty
systematic (Adjective) : done according to a system or a plan, in a thorough, efficient or determined way