—What do you admire the spaceman ______?

—His bravery to travel around the earth ______ a spaceship all alone.

---What do you admire the spaceman ______?
---His bravery to travel around the earth ______ a spaceship all alone.

1. A.
   for; in
2. B.
   to; by
3. C.
   for; by
4. D.
   as; in

—What do you admire the spaceman ______?

   —His bravery to travel around the earth ______ a spaceship all alone.

   A. for; in         B. to; by  C. for; by                     D. as; in

—What do you admire the spaceman ______?
—His bravery to travel around the earth ______ a spaceship all alone.

—What do you admire the spaceman ______?^k*s5u

   —His bravery to travel around the earth ______ a spaceship all alone.

   A. for; in                B. to; by                C. for; by                                   D. as; in