B4

То divers, the underwater world is silent, and we call the ocean the «silent deep.» But to a fish, the underwater world isn't silent at all. Fish can «hear» other fish ___________ through the water.

MOVE

B5

Fish _________ ears, but they do have a structure inside their head that is very much like our own inner ear.

NOT HAVE

B6

This structure is sensitive to vibrations in the water, ___________ by other fish.

MAKE

B7

Research ___________ that some fish are sensitive to ordinary sounds, too. Catfish can probably hear everything we hear!

SHOW

B8

The White House, in Washington, DC, is one of the world's most recognized buildings. It is the home of the president of the United States. The original house ___________ in the 1790s.

BUILD

B9

It was burnt down in 1814, and rebuilt ___________.

LATE

B10

Since then, various presidents ____________ changes to it over the years. The White House has 132 rooms, including the President's Oval Office.

MAKE