Only by adopting more creative approaches________________ to overcome present-day challenges.(2016年6月第26题)
A. we can hope
B. can we hope
C. hope we can
D. can hope we
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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
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