I. Fill in the blanks with however, wisdom tooth, a man, architects, wise, confess, scientists, proved.
1. During the World war II Russians ………………………. courage many times. 2. Yesterday my ………………………….. was aching. I had to go to the doctor. 3. It proved to be a very………………………… decision. 4. She has to………………………..that she made a mistake. 5. ……………………… are people who invent something unusual. 6. ......................... plan and design convenient towns and houses for us. 7. He is………………… of great wisdom. 8. I will help you,………………………………… busy I am.