I do my homework ________ the evening, but ________ Sunday evening I watch TV.

1. A.
   in, in
2. B.
   on, on
3. C.
   in, on
4. D.
   on, in

I do my homework ________ the afternoon．

A．for                             B．in                               C．on

I do my homework ______ the evening.

[    ]

　　A. on   B. at   C. in   D. of

[　　]