用连词but, and, so, or填空。 1. What is your favorite color, green ________ orange? 2. Jeff is good at maths, ________ he is not good at Chinese. 3. It's 9 o'clock, ________ the little boy stops watching TV and goes to bed. 4. Let's go ________ see who is dancing over there. 5. You have to take a taxi, ________ you'll be late for work.