Although the scientific method is now four or five hundred years old

Did they build the garage at the same as the house?

=> Was ____________________________________?

Fear of discovery forced him into __________. (conceal)

__________for twelve hours, I felt marvelous.

He can ______ very fast.

Russia is bigger than any other country in the world. (big)

=> ___________________________________________.

In order to avoid bad eating habits, you'll have to replace unhealthy fat with more ________ foods.