1
I like apples.
correct! We don't use articles before plurals
I am going to Canary Islands for holiday.
Wrong - the Canary Islands.
He is the doctor I'm seeing today.
Correct - you are talking about a specific doctor.
When in Rome, you must visit Colosseum.
wrong - the Colosseum - there is only one Colosseum.
All you need is the love.
Wrong, we don't use the before abstract nouns.
I have news! I'm going to be a father.
Correct - mother and father are like jobs, you are mother, you are a father, an uncle etc
-Where is Mary?
-She is in the hospital. 1
-Why?
-She had an accident. 2
1 - wrong - she is in hospital - fixed expression, she is in hospital for treatment
2 - correct - an means one
I live in city centre.
Wrong - fixed expression: in the city centre.
Is the food good?
correct - we are talking about the food the person is eating now.
Wrong - at night (fixed phrase)