Peter hurried through dinner, changed into old clothes, in the lab for three hou
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Peter hurried through dinner, changed into old clothes, _______ in the lab for three hours
A.worked
B.working
C.and worked
D.to work
试题答案
C
在英文中表示并列的动词短语，用and连接，表示的时态要一致，故本题的空格处填and worked，故本题选A。