用所给动词的正确形式填空:discover, lose, attend, climb, praise
Everyone wants to reach the top of the mountain, but all the happiness happens while you ( ) it.
Although he is very busy, he ( ) his childs parents meeting every time.
I am happy that I ( ) for my beautiful writing by my teacher just now.
I cant enter the classroom. Because my classmate ( ) the only key already.
Watch carefully, and you ( ) more secrets of nature.