The teachers told his students to make the most of the opportunities _____ hand.
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Just read something to kill time, a book, a magazine, newspaper, or ____ like that.
A. what
B. whatever
C. all
D. which
In summer, food goes bad easily _____ it is put in the refrigerator.
A. until
B. if
C. since
D. unless
The teacher always tells his students to keep ______ from day one.
A. in
B. on
C. up
D. with
A ______ is helpful in looking for a job, but it doesn’t mean a job.
A. certificate
B. record
C. license
D. grade