I had entered the classroom when I noticed the headmaster was sitting at the back.A. stil

发布时间：2020-08-17 15:04:45

I had      entered the classroom when I noticed the headmaster was sitting at the back.
A. still
B. yet
C. sooner
D. hardly

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A. still
B. yet
C. sooner
(答案→)D. hardly
解析：hardly...when为固定句式。
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