---She broke her mother’s favourite vase______ she stood up. ---It’s a pity!
#55549
A
while
B
as
C
after
D
until
推荐题目
--- I can’t fall asleep. --- You get up and try to do something ______lying in bed.
#56129
A
when
B
instead
C
instead of
D
while
The rivers will become dirtier and dirtier _______ we take action to protect them.
#55533
A
since
B
if
C
until
D
Unless