To determine the correct pronoun for each sentence, we need to understand who or what we are referring to and choose the appropriate pronouns accordingly.
For sentence (a): 'Their uncle is rich but_______is a very mean person.'
The key noun here is 'uncle,' which is a singular noun that refers to a male person.
The appropriate pronoun to replace a singular male noun is 'he.'
Therefore, the correct answer is: 'Their uncle is rich but he is a very mean person.'
For sentence (b): 'The shopkeeper ignored_______because she had refused to befriend him.'
The pronoun we need should refer to someone who has been ignored by the shopkeeper.
Since the sentence mentions 'she had refused,' it implies the shopkeeper ignored 'her' (a female person).
The correct pronoun here is 'her' to complete the sentence logically.
Therefore, the correct answer is: 'The shopkeeper ignored her because she had refused to befriend him.'
In summary:
Sentence (a) uses 'he' to refer to 'uncle.'
Sentence (b) uses 'her' to provide context to who is being ignored.