6. Now I am fifty years old. I find myself moving toward ____ is ahead with a curious mixture of both fighting and accepting my aging, hoping ____ the philosophy was right when he said, ¡°Old is always fifteen years from now.¡±

    A. what; that     B. what; what    C. that; what    D. that; that

7. Dogs wag their tails in different directions ____ whether they are excited and wanting to move forward or threatened and thinking of moving back.

    A. judging from  B. providing that  C. depending on   D. according to