Unit 7 What's the matter?习题一、选择填空( ) 1. I’m hungry, and __________ tired.A. your B. you C. you’re( ) 2. Are you thirsty? __________ some tea, please.A. Drink B. Eat C. They’re( ) 3. I’m __________. Please close the window.A. hot B. cold C. thirsty( ) 4. What’s the mat...