根据下列句子及所给汉语注释，将空缺处补充完整。

1. It was ten in the morning but the ______(窗帘)were still drawn.  

2. You know I'd be ______ ( 感激的) if you 'd dance with me.

3. Do you have any tips for enabling _______ (青少年) to get enough sleep?

4. What I like most is taking photos ______. ( 在户外)  

5. Fully _______( 恢复 ) from the illness, he has been back here.

6. The news is almost certainly true although it is not ______. (正式的)

7. ______ ( 事实上)，I am an open-minded person and love to get more friends in my life !

8. Of the two dictionaries, the ______ (后者) is better than the former because it has English explanation.

9. He _______ ( 命令) that we should come to the classroom earlier next time.

10. Sometimes there are storms with thunder and ______. ( 闪电)