Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions
Trả lời câu hỏi dưới đây:
It's no wonder the children felt disappointed because first their parents promised to take them to Disneyland and then they _________ on their word.
Form : to go back on (upon) one's word : không giữ lời hứa