How often,How much,How long,How many times
(1)
How much
How much
meat do you want to buy?
(2)—
How often
How often
do they go to the movies?
—Once a month.
(3)—
How long
How long
do you exercise every day?
—For about two hours.
(4)—
How many times
How many times
do you go shopping a month?
—About three times.