You’ll fail your next English exam _______ you work harder from now on.
#55127
A
if
B
whether
C
until
D
unless
推荐题目
This is the only painting in this style ____________ we have.
#57597
A
which
B
that
C
in which
D
in that
_________ people were watching the sky, the alien got out of the UFO.
#57263
A
If
B
When
C
Because
D
While