1. wear a helmet ___________________ 3. play baseball ___________________ 5. keep fit ___________________ 7. go to the movies ___________________ 9. in January ___________________ | 2. 多久一次 ___________________ 4. 穿上 ___________________ 6. 尝起来美味 ___________________ 8. 吃午饭 ___________________ 10. 在周三 ___________________ |