用所给单词的适当形式填空。 1. Teacher's smiles _____ (courage ) us; mother's smiles warm us. 2. It is _____ ( possible) to improve our English without enough practice. 3. The boy was so _____ ( worry) that he couldn't find his parents. 4. Sandy was _____ ( happy) because she failed in the maths exam yesterday. 5. My mother always tries to make sure we eat _____ (healthy) . 6. We had a very _____ (enjoy) travel for ever. 7. It's _____ ( fool) of Peter to pay so much money for clothes. 8. You should listen to your teacher _____ (careful). 9. They treasure their _____ (friend) of more than ten years. 10. Sports and art activities make our school life _____ (color) . |