Only by (create)________a clean environment can we truly encourage more tourists to come.(2018年6月第37题)
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(Surprising)______70 percent of visitors will return for another holiday.(2019年12月第35题)
Machine learning engineering is developing (gradual)__________ as time goes by.(2019年6月第36题)
The bank loan has (great)________strengthened our finicial position in the industry.(2017年12月第36题)
(Surprising)_____________,the team was able to finish the task two weeks ahead of schedule.(2016年12月第35题)