These are some adjectives from the text. write their comparative and superlative form. late later the last early splendid easy efficient comprehensive thrifty reasonable good expensice

Earlier-the earliest
more splendid-the most splendid
easier-the easiest
more efficient-the most efficient
more comprehensive-the most comprehensive
more reasonable-the most reasonable
better-the best
more expensive-the most expensive

Одно/двусложные имена прилагательные образуют comparative ( сравнительная степень ) при суффикса er,а superlative( превосходная) -при суффикса est.
Трёхсложные/четырехсложные имена прилагательные образуют сравнительную степень сравнения при слова more,а превосходную степень сравнения при слова most c артиклем the.
Прилагательное good исключение.

early earlier the earliest
splendid more splendid the most splendid
easy easier the easiest
efficient more efficient the most efficient 
comprehensive more comprehensive the most comprehensive
reasonable more reasonable the most reasonable
good better the best
expensive more expensive the most expensive