- Can you help me clean the room?
- OK, _______ I have to wash the clothes first

1. A.
   so
2. B.
   but
3. C.
   because
4. D.
   as

－ Can you help me clean the room?

    － OK, _______I have to wash the clothes first.

    A. so            B. but              C. because       D. as

－ Can you help me clean the room?

    － OK, _______ I have to wash the clothes first.

     A. so            B. but              C. because        D. as