15. 杰克只有十六岁。他太小了不能参军。

   Jack is only 16 years old. He is ___________________________ join the army.

14. 我父亲昨天直到找到丢失的自行车才回来。

   My father ________________________________ he found his lost bike yesterday.

13. 汤姆和迈克都不喜欢看电视。

   ____________________________________ likes watching TV.

12. 七点了，该起床了。

   It’s seven o’clock. ___________________________________ get up.