22. In his paper, John is trying to identify___________determines the final result of the project.
A)what
B)whether
C)when
D) how
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23. I feel I am entitled to a full refund in addition to an apology for the inconvenience__________________.
A)to cause
B) causing
C)cause
D) caused
24.Recent studies show that employees who take vacation time and leave are____________than those whodo not.
A)efficient
B) most efficient
C)more efficient
D) least efficient
25. Only by adopting the highest standards of integrity_______________the trust of our clients and the companieswe work with.
A)we earn
B) can weearn
C) we can earn
D) we willearn
26.IfI ______________the challenges at that time, I might not have started my own business.
A)would know
B) have known
C)had known
D) will know