A person who has never tasted bitter won’t know ______ sweet is.
You’ll never guess who I met today — my old teacher! We _____ for 20 years.
I _____ your last point — could you say it again?
They won’t buy any new clothes because they _____ money to buy a new car.
I left my pen on the desk and now it’s gone; who _____ it?
We _____ to move but are still considering where to go to.