We ______ walk all the way home. We ______ take a taxi. A. could not / had to B. needn’t / can C. would rather not / must D. ought not to / might49/50We ______ walk all the way home. We ______ take a taxi. could not / had toneedn’t / can would rather not / mustought not to / mightGiải thíchChọn đáp án B