You have failed two tests.You’d better start working harder,_______ you won’t pass the course.
#79810
A
and
B
so
C
but
D
or
推荐题目
Stand up _______ you fell down, and I’m sure you’ll succeed in time.
#33230
A
until
B
where
C
before
D
which
English is a language shared by several diverse cultures，each of——uses it somewhat differently.
#30616
A
which
B
what
C
them
D
those
Just use this room for the time being, and we'll offer you a larger one ________ it becomes available.
#30250
A
as soon as
B
unless
C
as far as
D
until