根据上下文内容在每一条横线上填上一个适当的单词。

(B=Ben D=David)

B: David, 1.     _    do you often do on Saturdays?

D:  I 2.           do my homework and sometimes I help Mum 3.          housework.

B: How 4.           Sundays?

D:  I like 5.          . So I often go swimming on Sundays.

B: 6._        your sister Nancy go 7.____ you?

D: No, she 8. _      .  She 9. _       shopping.  She often 10.          shopping with my mother.

B:  You have a happy weekend, David.

D: That's right.

—I made some mistakes at the dinner table last night.

—__________. I'll tell you some table manners later. [ ]

A. Never mind

B. Of course

C. You're welcome