Final answer:
In the given sentences, corrections are made for grammatical number, possessive forms, and proper comparison usage. The corrected words 'his', 'than', 'luggage', and 'bouquet' were used to ensure grammatical accuracy.
Step-by-step explanation:
The sentences provided require corrections in the choice of words to convey the right grammatical sense and meaning. Here are the corrected versions:
- Every one of the boys should do his best.
- Deki is older than me.
- His luggage is still at the station.
- The little girl presented the Minister a beautiful bouquet of flowers.
The selected words in each of these sentences apply the correct grammatical number, possessive forms, and comparisons that align with standard rules of English grammar.