根据汉语意思完成句子
从那时起，我们就没有见过他。
We haven’t seen him________ ________ ________．
She is so （幸运的） to take a photo with her favorite singer．
This activity showed us the （重要性） of protecting our environment．
无论你遇到什么困难，你都应尽全力克服．
problems you meet， you should make an to deal with them．
坦诚地说，中国在许多国际事务中起着越来越重要的作用．
To be ， China is playing a more and more important in many international affairs．
习近平总书记说过："我们现在比历史上任何时候都更接近实现中国梦．"
" Chinese dream is now getting to us than any time in the history．" said President Xi Jinping．