________ from the top of the tower, the Bird Nest looks like a big bird.
When life lets you down and when it seems that your world is ______, take courage and go the next step.
As is known to all language learners, the newly learnt words will soon be forgotten unless ______ used in everyday communication.
Since you have missed such a good chance, don’t think about it any more. It’s ______ crying over spilt milk.
The proverb “Seeing a thing for oneself is better than hearing about it” means that secondhand experience is less ______ than firsthand experience, which is perfectly true.
I ______ an old photo from the drawer yesterday, which reminded me of the days we spend together on the farm.