You and your big mouth! It was supposed to be a secret. You __ her12/50Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. You and your big mouth! It was supposed to be a secret. You _____ her!shouldn't have toldmightn’t have toldmustn't have toldcouldn't have toldGiải thíchĐáp án A