阅读理解. Peter felt (感到) very sorry because he forgot (忘记) to say 'Happy Birthday' to his uncle yesterday. So he wrote a letter to his uncle : 'My dear uncle, I'm very sorry because I forgot your birthday. But to teach me a lesson, you'd better (最好) forget my birthday on Tuesday, tomorrow.' 1. It was _____ birthday last Sunday. A. Peter's B. Peter's father's C. Peter's uncle's D. Peter's brother's 2. Peter said _____ to his uncle in the letter. A. sorry B. goodbye C. hello D. OK 3. 'Teach me a lesson' here means ' _____ 'in Chinese. A. 给我上一课 B. 教我一招 C. 教训我一下 D. 向我表示祝贺 4. Peter wrote this letter on _____ . A. Monday B. Tuesday C. Saturday D. Sunday 5. Peter wrote this letter in order to (为了) _____ . A. forget his birthday B. forget his uncle's birthday C. remember his uncle's birthday D. let his uncle know Peter's birthday