Question

The light in Mr. Zhang’s office is still on. I am afraid he ________ his work yet.
A. doesn’t finish         B. didn’t finish          C. hasn’t finished

Answer 1

C

试题分析：句意：张先生办公室的灯还亮着。恐怕他还没完成工作。句中的yet，往往和现在完成时连用，其结构是have/ has+动词过去分词，故选C。