Noise pollution was a serious problem here      .
#48147
A
in the past
B
in the future
C
since then
D
once a week
推荐题目
We can’t leave the room       the light       , it’s a waste.
#48763
A
with; off
B
without; on
C
with; in
D
without; off
There are many people _____in a big house _____ a big yard. 
#48153
A
live, with
B
living, on
C
living, with
D
lives, on