The river became dirty last year.The river has became dirty
The river became dirty last year.The river has became dirty
The river has become very dirty和the river has been very dirt
This stream became dirty last year.同义句转换 This stream ____ __
The water in this river is very dirty because it has been se
The river ________ (become) dirty since the paper factory wa
Three fifths of the water in the river _dirty.
pour the dirty water into the river 的中文意思
it's wrong to__the dirty water into the river
You cant pour dirty water into the river改为祈使句
1.The river is very dirty.It smells_____(terrible)
1.some factories ofen p______ dirty water into the river.
1.the river smells terrible.people must ( )dirty things into