Question

【题目】(2018上海改编)Peter spent half a day fishing by the river, ________ he didn't catch anything.

Answer 1

【答案】but

【解析】

句意为：彼得花了半天时间在河边钓鱼，________他什么都没有抓到。根据语境可知此处应表示转折。故填but。