Only after the secretary saw the train disappear in sight __________________ the railway station.(2015年12月第24题)
A. he leaves
B. has he left
C. he left
D. did he leave
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Not until that day ___________ the importance of good manners in a job interview.(2015年6月第25题)
A. I realized
B. I have realized
C. did I realize
D. willI realize
It was these small differences _______________ eventually led the company to be extremely successful today.(2015年6月第26题)
A. that
B. where
C. those
D. what
Only by adopting the highest standards of integrity ______________ the trust of our clients and the companies we work with.(2017年12月第25题)
A. we learn
B. can we learn
C. we can learn
D. we will learn
Most people were greatly shocked by the news_________________ the IT company had gone bankrupt.(2017年6月第22题)
A. what
B. how
C. why
D. that