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
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We took advantate of its sports facilities _____ staying at the hotel.(2017,12. B)
A. although
B. while
C. until
D. unless
_____ you are a first time buyer or not, we will offer you a good price today.(2017, 12. B)
A. Whatever
B. Whenever
C. Whether
D. However
He said he would continue to support us_______ we didn't break the rules. (2015,12. B)
A. as well as
B. as soon as
C. as far as
D. as long as
_______ the excellent service, guest can enjoy delicious food in our restaurant. (2015,12. B)
A. In place of
B. In addition to
C. In charge of
D. In case of