After he finished his duties on the farm, John often occupies himself by fishing.

A. most
B. other
C. part
D. rest

A. 粮食中氟含量高
B. 素菜中氟含量高
C. 饮水中氟含量高
D. 燃料中氟含量高
E. 空气中氟含量高

A. expectation
B. desire
C. hope
D. seek