He had to pause from time to time to wipe the sweat from his forehead, because the air-conditioning system ____.
#10857
A
broke in
B
broke up
C
broke out
D
broke down
推荐题目
I was not bothered by his poor English ___ by his lack of manners.
#12159
A
as much as
B
as
C
than
D
rather than
Her clear and elegant prose ______ her _______ from most other journalists. 
#13133
A
sets … aside
B
sets … down
C
sets … apart
D
sets … up