The pollution problem in this area ___(become) worse and wor

The pollution problem in this area ___(become) worse and wor the water pollution in this area used ___(be) terrible 填什么.为 He thinks the air pollution is becoming worse and worse,___? I say that pollution in this area is no longer a problem?-We 英语翻译POLLUTION IS ONE MOST SERIOUS ______(PROBLEM) IN THE WOR it is （t ）the pollution is worse and worse Th problem which the air pollution in cities has become more There are many fish in this area,and the birds can catch ___ The sunshine in this area in summer is ___ hot What polluted the air and the water in this area? 1)the pollution is getting worse and worse ,and it's time we 英语that指代问题1.The problem of pollution in this city is more se