— How often do you eat out?

   —             , but usually once a week.

    A. It depends                        B. Have no idea

C. As usual                         D. Generally speaking

— How often do you eat out?

   —             , but usually once a week.

    A. It depends                        B. Have no idea

C. As usual                         D. Generally speaking

 --- How often do you eat out?

--- _________, but usually once a week.

    A. It depends       B. Have no idea         C. As usual           D. Generally speaking