【正文】
ecide who will be the journalist. 3. Teacher gives the pair of glasses, camera and microphone to the journalist. 4. Teacher asks the students to retell 1a according to the sequence: (1) exercise often to build us up (2) keep our rooms clean and the air fresh (3) wash our hands and change our clothes often (4) keep away from crowded place Practice (10 minutes) 1. The whole class work 2. Pair work 3. Goup work 4. Group work and pair work 5. The whole class work 1. Students replace the verb phrases in 1b into the conversation together. 2. Students ask and answer questions in pairs. A: Must we…? B: Yes, we must. A: Must we…? B: No, we don’t have to./ No, we needn’t. 3. Each group will make six different conversations. 4. Member C1 and C2 from each group will show the conversation. 5. Students only ask and answer the dialogue in 1d by using eight verb phrases in 1b, and each student makes eight conversations. 1. Teacher demonstrates the students to make conversations by using the verb phrases in 1b. A: Must we…? B: Yes, we must. A: Must we…? B: No, we don’t have to. / No, we needn’t. 2. Teacher lets the students ask and answer in pairs. 3. Teacher asks the students to finish 1d. 4. Teacher lets Member C make the conversation in pairs. 5. Teacher anizes a petition to find out who is the fastest one to finish making conversations by using the verb phrases in 1b. A: Must we…? B: Yes, we must. A: Must we…? B: No, we don’t have to. / No, we needn’t. Production (10 minutes) 1. The whole class work 2. The whole class work 3. The whole class work 4. The whole class work 5. The whole class work 6. Some students’ work 7. The whole class