Fill in can/can`t or must/mustn`t. 1. i come tomorrow ? - i don't think so. 2. You smoke in the hospital. 3. There`s nobody to help us. We do it ourselves. 4. The water in the river is cold, but youswim a little. 5. Ramtake his sister`s CDs. 6. The weather is warm , but you take an umbrella. 7. She speak Chinese. 8. There`s no time left. We hurry up. 9. You take the bus to get to the museum.