Вопрос 3 из 8: My father works hard at university six days a week. He is a really ........

Solution:

The sentence describes a father who works hard. To fill the blank, we need an adjective that means hardworking or dedicated. A common and appropriate word in this context is 'diligent'.

The completed sentence would be: 'My father works hard at university six days a week. He is a really diligent person.'

Answer: diligent