You work very hard. I’m sure you’ll have no _______ the exam19/50 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. You work very hard. I’m sure you’ll have no _______ the exam difficulties of passingdifficulty passing difficulties to passdifficulty to passGiải thíchĐáp án D Have no difficulty to do sth: không gặp khó khăn làm gì