根据句意,用所给单词或短语的适当形式填空。(每词或短语只限使用一次) | |
2. Nancy often __________ with her friends in summer. 3. The father was __________ of his son's efforts at school. 4. Students are __________ to share their thoughts by teachers. 5. Many schools hold several __________ of music or sports every year |