The food in KFC is bad _______ you. Don’t eat too much.
Though the key was pressed, nothing ______ on the screen.
---You never have sweet snacks, do you? ---________. Though I know they’re bad for our health.
He was often seen _________ with charity work last year.
Please don't stand up in class until you.
– Can a plane fly _______ the Atlantic Ocean? --Yes, but it needs to go _______ the clouds for hours.