1. 根据句意及首字母或汉语提示完成单词。

1. （1） He (时常)takes a walk in the morning.

3. （2） I don't want to make the (航海) by myself.

5. （3） The President was leaving for a four-day (正式的) visit to Mexico.
   

7. （4） (事实上), on second thoughts, I don't think I will go out with him.

9. （5） It is said that the (身份) of the woman is still unclear.

11. （6） The teacher advised him to build his v by doing more reading.

13. （7） Go s ahead, and you will find the entrance.