You’ll fail the exam _____ you work hard.
#56166
A
if
B
unless
C
or
D
so
推荐题目
—Why didn’t Betty come to school yesterday?—_________ she was ill.
#58530
A
But
B
Though
C
If
D
Because
Don’t put your hand out of the car window, ______ you will be hurt by the passing traffic.
#56528
A
but
B
so
C
and
D
or
The bus driver always says to us: “Don’t get off ______ the bus stops.”
#55229
A
when
B
while
C
until
D
if