The most pleasant thing of the rainy season is _____ one can be entirely free from dust.
what
that
whether
why
His comprehensive surveys have provided the most______ statements of how, and on what basis, data are collected.
explicit
ambiguous
original
arbitrary
Many businesses started up by college students have______thanks to the comfortable climate for business creation.
fallen off
taken off
turned off
left off
Dashan, who ______crosstalk, the Chinese comedic tradition, for decades, wants to mix it up with the Western stand-up tradition.
will be learning
is learning
had been learning
has been learning
In art criticism, you must assume the artist has a secret message______within the work.
to hide
hidden
hiding
being hidden
If it ______for his invitation the other day, I should not be here now.
had not been
should not be
were not to be
should not have been