Who/that/which g. She always asks me questions are difficult to answer.
h. I have a friend is very good at repairing cars.
i. A coffee-maker is a machine makes coffee.
j. I don’t like people never stop talking.
k. Have you seen the money was on the table?
l. Why does he always wear clothes are too small for him?

g. Who/That/Which.

In this sentence, the pronoun "who" or the relative pronouns "that" or "which" can be used. The word "who" is used when referring to a person, while "that" and "which" are used when referring to things or animals. In this case, the subject of the sentence is "She", which refers to a person. Therefore, the appropriate pronoun to use would be "who".

h. That.

In this sentence, the word "that" is used to introduce a subordinate clause that provides additional information about the friend. The phrase "is very good at repairing cars" describes the friend, so the word "that" is used to connect the subordinate clause to the main clause.

i. That.

Similar to the previous sentence, the word "that" is used to introduce a subordinate clause that provides additional information about the coffee-maker. The phrase "makes coffee" describes the coffee-maker, so the word "that" is used to connect the subordinate clause to the main clause.

j. Who/That/Which.

In this sentence, the pronoun "who" or the relative pronouns "that" or "which" can be used. The word "people" refers to both humans and animals, so any of the pronouns can be used. However, using "who" might be more appropriate as it specifically refers to humans.

k. That.

In this sentence, the word "that" is used to introduce a subordinate clause that provides information about the money. The phrase "was on the table" describes the money, so the word "that" is used to connect the subordinate clause to the main clause.

l. That.

Similar to the previous sentences, the word "that" is used to introduce a subordinate clause that provides information about the clothes. The phrase "are too small for him" describes the clothes, so the word "that" is used to connect the subordinate clause to the main clause.