Question

______you I owe a thousand apologies  ________ having doubted your ability.

1. A.
   For; to
2. B.
   To; for
3. C.
   For; for
4. D.
   To; to

Answer 1

B
选B。本句的结构是：owe sb. sth. for doing sth. 或owe sth. to do. for doing sth.。