33. He waited until it was dark ____ nobody could see him clearly.
#79726
A
so that
B
in order to
C
although
D
However
推荐题目
The doctors have done ______ they could ______the child.
#33949
A
whatever; to save
B
everything ; save
C
all what; to save
D
all which; save
There isn’t such a word ______ I know.
#34797
A
as soon as
B
as long as
C
so long as
D
so far as