------You are leaving for Beijing Please send me a postcard _________ you are there.------No problem.
#55621
A
if
B
while
C
although
D
because
推荐题目
The bus driver always says to us: “Don’t get off ______ the bus stops.”
#55229
A
when
B
while
C
until
D
if
—Could you please______? —Yes, sure.
#55426
A
do the dishes
B
taking out the trash
C
cleaned your bedroom
D
to make your bed