They use computers to keep the traffic _____ smoothly.
Anyone ______ trying to take knives on heard flights would be caught by the police.
_______ the road round to the right, the blind man asked a boy to guide him.
_______ the road round to the right, you’ll find his house.
_______ the road round to the right and you’ll find his house.
The result what he said would lead _____ his regret in the future.