________ from the top of the tower, the Bird Nest looks like a big bird.
—Did you remember to give Mary the money you owed her?—Yes. I gave it to her ________I saw her.
_____ to finish this composition in such a short time is a mystery.
Einstein’s most famous theory is ______ we call the Theory of Relativity.
Not everyone has realized what ________important part the balance of ________nature plays in their life.
—— Go for a picnic this weekend , OK ? —— __________. I love getting close to nature.