When he came back three hours later , they were still sitting on the sofa , _______________ in conversation.

   A. absorbing               B. absorbed            C. to absorb             D. to be absorbed

 When he came back three hours later,  they were still sitting on the sofa, _____ in conversation.

A. absorbing         B. absorbed     C. to absorb         D. to be absorbed

 When he came back three hours later , they were still sitting on the sofa , _______________ in conversation.

A. absorbing          B. absorbed          C. to absorb         D. to be absorbed

When he came back three hours later, they were still ____on the sofa, _____ in conversation.

When he came back three hours later, they were still ____on the sofa, _____ in conversation.

When he came back three hours later, they were still ____on the sofa, _____ in conversation.

1. A.
   sitting ; absorbing
2. B.
   sitting ; to absorb
3. C.
   seated ; absorbed
4. D.
   seated ; to be absorbed