It’s hot in the shopping mall, because the air-conditioning system ______. 
#13606
A
broke up
B
broke down
C
broke in
D
broke out
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He did it       it took me.
#14518
A
one-third a time
B
one-third time
C
the one-third time
D
one-third the time
They ___________ with the aim of becoming number one in the league.
#12533
A
set up
B
set about
C
set out
D
set aside
There is a big library in our city. There are more than twice    ten years ago.
#14122
A
books than
B
many books than
C
as many books as
D
as books as