Word Study (Page 49) 1.Study the words or expressions in Part a together with the models in Part b. 2.Explain the words or expressions based on the model sentences.Then translate the model sentences into Chinese. 3.Finish Part b:Use the prompts to produce sentences. Unit 3,Book 4Word Study (Page 49) Unit 3, Book 4 1. Study the words or expressions in Part a together with the models in Part b. 2. Explain the words or expressions based on the model sentences. Then translate the model sentences into Chinese. 3. Finish Part b: Use the prompts to produce sentences