问题
选择题
I picked up a paper at random , _____ through the headlines and put it where it had been .
A．looking
B．looked
C．to look
D．and looked
答案
答案：B
考查并列的谓语。句意：我随意拿起一张报纸，浏览了一下标题，放回了又来的位置。根据题中的谓语picked up，此空与and put是并列的动作，所以用过去式，选B。