1.操场______ 2.公园______

3.每一个______ 4.电子邮件______

5.每天______ 6.有时______

7.经常______ 8.拿______

【答案】1. playground 2. park 3. every 4. e-mail 5. every day 6. sometimes 7. often 8. take

【解析】

略