1 . Learning a foreign language involves ____________ (grasp) unfamiliar grammar rules and communication skills. (所给词的适当形式填空)

2 . He spent the evening w________ (包裹) up the Christmas presents. (根据中英文提示单词拼写)

3 . You should think very carefully before c________yourself to the task. （根据首字母单词拼写）

4 . I would advise people to think very carefully about ______(commit) themselves to working Sundays. (所给词的适当形式填空)

5 . After ________ (结合) exercise with a healthy diet, Thomas recovered from his operation soon. （根据汉语提示单词拼写）

7 . The three men seemed to have finished l_______ (装载) the truck.

8 . ______(后悔) the past or worrying about the future is not the best way to success in one’s life. (根据汉语提示单词拼写)

9 . _______(focus) your attention on the text rather than the grammar will help you understand the passage better. （所给单词适当形式填空）

10 . In order to finish the teachers’ assignments , students have to stay up late, which contributes to their body _______ _______ (崩溃，垮掉) （根据汉语提示完成句子）