His comprehensive surveys have provided the most statements of how, and on what basis, data are collected.
A. explicit B. ambiguous
C. original D. arbitrary
Many businesses started up by college students have thanks to the comfortable climate for business creation.
A. fallen off B. taken off
C. turned off D. left off
Dashan, who crosstalk, the Chinese comedic tradition, for decades, wants to mix it up
with the Western stand-up tradition.
A. will be learning B. is learning
C. had been learning D. has been learning
In art criticism, you must assume the artist has a secret message within the work.
A. to hide B. hidden
C. hiding D. being hidden
If it for his invitation the other day, I should not be here now.
A. had not been B. should not be
C. were not to be D. should not have been
______some people are motivated by a need for success, others are motivated by a fear of failure.
A. Because B. If
C. Unless D. While
