By the time he was 50, he had become president of company.
It was in 1969 ______ two Americans went to the moon by spaceship.
She pretended to be calm but _______she was more than nervous at the time she was being questioned.
The problem ________ at the meeting yesterday.
________from his looks, he is a kind man.
Ladies and gentlemen, please fasten your seat belts. The plane _____.