The newly-built house, the walls _______ are painted light green, is really a peaceful place for us, especially after hard work.
The boy was seen ___ his bikecycle while riding in the street.
The soldier stood there ___ , except that his lips moved a little as if he was saying to himself.
---I went to the History Museum last summer. ----Did you go ___?
He is ill, and he has ___ in bed for a week.
We’ve made up our mind to finish this experiment no matter ___ difficult it was.