the water pollution in this area used ___(be) terrible 填什么.为
the water pollution in this area used ___(be) terrible 填什么.为
The pollution problem in this area ___(become) worse and wor
There used to be many green trees in this area in the past .
Water shortage in this area will be a serious problem to the
What polluted the air and the water in this area?
The sunshine in this area in summer is ___ hot
Let’s think of a situation ___ this idiom can be used.这里填什么关
-How terrible!The water has be
Put the burned area under ___(run) water,you'll feel much be
Which CANNOT be used to complete the sentence "In the area a
There will be less pollution ( ) the air.这里要填什么,A.on B.in C.
There ___(use)to be a lot of old houses in this area,but now