Large numbers of drivers in Chinese now depend ____ BeiDou for their routing directions.
A. on
B. with
C. for
D. to
As a sales person, ___ John Jacks is self-confidence when he is talking with clients.
A. which
B. what
C. why
D. that
____ the library for hours without finding anything useful, I turned to my professor for help.
A. To search
B. Having searched
C. Have searched
D. searching
Only by adopting the highest standards of integrity(诚信,诚实正直) ____ the trust of our clients and the companies we work with.
A. we earn
B. can we earn
C. we can earn
D. we will earn