12. come true

Some useful sentences for communication:

11. in store (for )　 (防备… 而)储藏着

10. a healthy diet

9.　 an advanced computer system

8．on-line shopping

7．on the air 正在播送/广播

　 in the air　 (故事，谈话) 流传开

　 in the open air　 在露天

6. . lead to 通往…

5. pay more attention to

4．combine.. with 使…结合/联合/组合

3．keep in touch with…和… 保持联系

　 get in touch with/ lose touch with / be out of touch with