This coat will lose its color ___________ it's washed.
Both________and________laughing do harm to your health.
The great artist Xu Beihong is famous for________to horses in his arts.
I was ashamed________wasting many hours when I should have been studying.
The two brothers are barely________with each other.
Though they don't live in the same city now,he manages to be informed________how Tony is getting along.