English prefixes

Put one of the prefixes in each space in the phrases below to make the word which follows its opposite in meaning.
un- dis-
___comfortable chair
to ___lock a door
___believable story
to ___obey an order
___punctual train
___respectful pupil
to ___believe a story
to ___agree with someone
___popular man
___honest shopkeeper
to ___load a ship
to ___approve of someone
____lucky accident
to ___like cheese
___familiar city
to ___appear round the corner
___satisfied customer
to___button a jacket
___grateful child
to ___cover buried treasure
____united party
to ___trust a politician

Put one of the prefixes in each space in the phrases below to make the word which follows its opposite in meaning.
ir- il- im- in-
___resistible temptation
___possible plan
___polite letter
___legal business deal
___literate person
___accurate calculation
___frequent buses
___mature young man
___legible handwriting
___moral action
___curable illness
___convenient arrangement
___regular train service
___logical answer
___dependent country
___responsible boy
___formal clothes
___patient motorist
___replaceable work of art
___secure feeling
___expensive present

KEY
un- dis-
an uncomfortable chair
to unlock a door
an unbelievable story
to disobey an order
an unpunctual train
a disrespectful pupil
to disbelieve a story
to disagree with someone
an unpopular man
a dishonest shopkeeper

KEY
to unload a ship
to disapprove of someone
an unlucky accident
to dislike cheese
an unfamiliar city
to disappear round the corner
an dissatisfied customer
to unbutton a jacket
an ungrateful child
to discover buried treasure
a disunited party
to distrust a politician

KEY
irresistible temptation
an impossible plan
an impolite letter
an illegal business deal
an illiterate person
an inaccurate calculation
infrequent buses
an immature young man
illegible handwriting
an immoral action
an incurable illness

KEY
an inconvenient arrangement
irregular train service
an illogical answer
an independent country
an irresponsible boy
informal clothes
an impatient motorist
an irreplaceable work of art
an insecure feeling
an inexpensive present