Question

You’d better try ________ second time if you fail for ________ first time．

1. A.
   the; the
2. B.
   a; the
3. C.
   a; a
4. D.
   the; a

Answer 1

B
全句的意思是：假如你头一次失败了，最好再试一回．表示“第一次”，通常是for the first time，表示“再来一次”，通常为a second time或a third time．