I ___ ___ ___ (全神贯注于) a book and didn’t hear the ring.
I never __________ (梦到) that such a thing could happen!
He was hot and tired and his head was __________ (眩晕的).
He __________ (粗略地) outlined the plot of the opera.
He jumped up in a__________ because he had a nightmare.
After the gunshots the birds were flying in all d__________.