Study hard , ______ you will not pass the exam .
#32806
A
and
B
otherwise
C
if
D
unless
推荐题目
She witnessed an accident ______ a minibus had a head-on crash with a taxi.
#30640
A
what
B
which
C
where
D
that
______much pressure the U.S. government put on the Chinese government, China would stick to its own policy of exchange rate.
#32979
A
However
B
Wherever
C
Whatever
D
Whoever
Losing weight may not be just about what you eat when you eat it, according to a new study．
#31240
A
so
B
and
C
but
D
for
—Can you describe _____ it happened? —Yes, I was riding on my bike _____ a car knocked me down from behind.
#33554
A
when; as
B
how; as
C
how; when
D
how; while
The roof fell ________ he had time to dash into the house to save his baby.
#80270
A
as
B
after
C
until
D
before