—What do you think your life will be like________ twenty years?

—Yeah.I have thought about it________ three years.

A．before;of         B．after;in           C．in;for             D．for;for

---What do you think your life will be like______ twenty years?
---Yeah.I have thought about it______ three years

1. A.
   before;of
2. B.
   after;in
3. C.
   in;for
4. D.
   for;for

 —What do you think your life will be like________ twenty years?

—Yeah.I have thought about it________ three years.

  A. before;of              B. after;in                 C. in;for                 D. for;for

—What do you think your life will be like________ twenty years?
—Yeah.I have thought about it________ three years.