题目内容：

根据句意，用括号中所给单词的正确形式填空。

1.Yesterday was Father’s Day and it was just my cousin’s             (twelve) birthday.

2.The Greens                (plan) their trip to Beijing while we were having dinner.

3.A good book will not just make you cry, but make you             (laugh) and think.

4.After three                 (year) hard work, all the students in our school will realize their dreams.

5. Hey, guys! Don’t you think you’re old enough to take care of                 (you)?