-- __      yogurt do we need?

-- One cup.

A. How much           B. How many         C. How long        D. How often

－________ yogurt do we need for the smoothie?

－Just one cup.

[　　]

 —__________ yogurt do we need?

—Two cups.

A．How many         B．How about         C．How much         D．How long

          yogurt do we need?

A．How much                            B．How many

C．How often                             D．How long