Large numbers of drivers in China now depend _____BeiDou for their routing directions.
A. on
B. with
C. for
D. to
We were unable to offer that service _____we hadn't got sufficient personnel to cope with it.
A. although
B. till
C. unless
D. because
When _____a company to work for, some people attach importance to its location.
A. to look for
B. look for
C. looked for
D. looking for
There are signs _____more and more young people prefer to eat out rather than cook at home.
A. where
B. who
C. that
D. which