A. To be very expensive
B. To lose something valuable
C. To work hard for money
D. To be in debt
Answer: To be very expensive
A. To be very expensive
B. To lose something valuable
C. To work hard for money
D. To be in debt
Answer: To be very expensive
Additional Information: 'Cost an arm and a leg' refers to something that is very costly.
Subjects: Idioms and Phrases, Vocabulary