Question

I＿＿＿＿＿＿often go fishing when I lived in the countryside

1. A.
   should
2. B.
   would
3. C.
   could
4. D.
   might

Answer 1

B
would在此表示过去的习惯、习性、倾向等，意为"常......",通常与often,sometimes,for hours等表示时间的短语连用。