— _____ rice do you need? – Four bags of rice.

A. How much B. How many C. How heavy

—          do you exercise?

— Twice a week.

A．How long                             B．How many

C．How often                             D．How soon

 — __________ did you pay for it?

— $10.

A．How often                             B．How many

C．How soon　　　                        D．How much

—_______ do you clean your room?

— Every day.

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

There are no words to describe_______ I miss my hometown.

A．how much         B．how many         C．how soon         D．how long