Here are the answers:

# Question 12
1. *C. benefiting* (opposite of harming)

# Question 13
1. *A. Of course not.* (disagreeing)

# Question 14
1. *B. What a good idea!* (agreeing)

# Question 15
1. *C. because* (correcting "because be is" to "because he is")

# Question 16
1. *B. and* (correcting "is the responsible" to "are responsible")

# Question 17
1. *A. individual* (person handling household chores)

# Question 18
1. *A. eco-friendly* (environmentally friendly lifestyle)

# Question 19
1. *A. finance* (sharing financial burden)

# Question 20
1. *C. naturally* (grown without artificial additives)

# Question 21
1. *A. does* (correcting sentence structure: "Mrs. Lan does the cooking...")

Here are the answers:  # Question 12 1. *C. benefiting* (opposite of harming)  # Question 13 1. *A. Of course not.* (disagreeing)  # Question 14 1. *B. What a good idea!*

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