II. Fill in each blank with a word in the box. classroom learning know again enjoyable subject A lesson in school is a planned period of time for (1) It involves one or more students being taught by a teacher. A lesson may be either one section of a textbook or a short period of time during which learners are taught about a (2) are generally taught in a (3) or taught how to perform an activity. Lessons but may instead take place in a situated learning environment. Also, a lesson means a learner learning something he did not (4) before. Such a lesson can be either planned or accidental, (5) or painful. The slang phrase "to teach someone a lesson", means to punish or scold a person for a mistake they have made to make sure that he does not make the same mistake (6)