Sentence Correction
试题详情
题目：
Since 1992, in an attempt to build up the Atlantic salmon population in each of the seven rivers in which salmon still spawn, state officials in Maine have stocked them with fry raised in hatcheries from eggs produced by wild fish found in that particular river.
选项:
A、them
B、the river
C、the rivers
D、each river
E、that river
答案:
D
