根据句意，用括号内所给单词的适当形式填空。
I often go __________ (swim) in my free time.
—Where is your bedroom?
—It’s on the __________ (two) floor.
Look! The ___________（child）are playing games under the tree.
Turn right at the first __________（cross）and you’ll see the hospital.
The life in the countryside is __________ (noisy的反义词).