—________ are these sports socks?
—10 yuan for 3 pairs.
How many
How much
How often
How long
Could you tell her __________________?
We must do something important to stop the pollution ____ a happy life.
— We didn’t _____ the match. — What a pity!
I like talking with the girl ______ plays the piano _______.
He tried to make himself ________ by his students, but he failed.