The task will not be fullfilled ____ we get help from other departments.
A. if
B. unless
C. since
D. when
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________ she has been working in China for only two years, she speaks fluent Chinese.(2018,6.B)
A. When
B. If
C. Although
D. Until
Turn to us for legal advice at any time _____ you need it. (2018,6. B)
A. when
B. how
C. where
D. why
Last year the employees in our department were so busy ________ they were not able to take a vacation.(2016,12. B)
A. which
B. what
C. who
D. that
We took advantate of its sports facilities _____ staying at the hotel.(2017,12. B)
A. although
B. while
C. until
D. unless