_____ a lot of small ads are put up on the walls, out city will be untidy.
#55173
A
Until
B
Though
C
If
D
Unless
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____she is tired, _______ Han Mei doesn’t stop working.
#55959
A
Although,but
B
/ ,/
C
But,although
D
Although,/
Jack does his homework ________ Mary. So they both always get good grades in the exams.
#57427
A
so careful as
B
as carefully as
C
so carefully as
D
as careful as