There are many beautiful stalactites in this cave.

The children were playing hopscotch in the park.

He is an expert in paleozoology and has a deep knowledge about the ecology of dinosaurs.

He has a deep interest in paleozoology.

I have visited the Mount of Olives.

There is a two-story house.

What art thou doing?

He worked all night to finish the job he had begged for.

He was able to gain a large profit from a small investment, it was like catching a sea bream with a foot ruler.

He has dyslexia and struggles with reading.