You can guess from the context that “blots out” in line 4 means “…” .

We should take care of animals and their … homes like jungles, deserts, lakes and rivers.

Leonardo da Vinci wasn’t just an amazing artist; he was also an inventor, scientist, mathematician, writer and a musician. He had …… in all scientific things. He did drawings of many things from war machines to boats and other ideas.

Leonardo also did a lot of …… to learn more about the flight of birds. He tried very hard and created plans for …… machines that were like today’s gliders and helicopters.

He was also very interested in the anatomy of the human body, studying it in detail and creating hundreds of drawings. Leonardo worked very hard during his lifetime, and he never …… .

Leonardo da Vinci began painting the Mona Lisa, his most famous painting, around 1503. Every year, millions of people visit the Louvre Museum in Paris to see this wonderful painting. He …… on May 2, 1519 at the age of 67.

Khwarizmi is most famous as a … , and Farabi is most famous as a … .

A: Excuse me, I need to talk to someone about our hotel room. I think it is too small for four people.

 B: That man at the counter … you.