Câu hỏi:Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.
Most people indulge ____________ harmless fantasies to relieve the boredom of their lives. A. of B. in C. to D. for
Giải thích: to indulge in sth: cho phép mình hưởng thụ cái gì đó