Nobody noticed the thief slip into the house because the lights happened to__________.
Madame Curie is believed _______ radium.
Having taken our seats, _______.
Apart from being good at teamwork, he is tall, strong and athletic. _______, he is the best choice for the coming basketball match.
While visiting the robot exhibition, the professor kept nodding his head to express his _______ with his students’ work.
Who was it _______ wanted to see me just now?