Question

【题目】Peter spent half a day fishing by the river,______he didn't catch anything.

A. so B. or C. for D. but

Answer 1

【答案】D

【解析】句意：彼得在河边钓了半天鱼，但什么也没钓到。A. so因此；B. or或者，否则；C. for为了；D. but但是。根据句意可知，前后句表示转折关系。故答案为D。