The physics teacher once said that we first _____the lightning followed by thunders because light ______ faster than sound.
— Did his performance _________ you? — No, I didn’t like his performing style.
Only when you slow down the speed ______ feel safer.
_______ to settle into the new environment, he made every possible effort.
He made a perfect landing. _______, he landed safely and correctly.
What a funny idea he _______!