Water pollution has made our rivers and lakes dirty.It kills
Water ______ in seas, rivers and lakes.
The water in the lakes and rivers in Yunnan be-came______bec
The water in the lakes and rivers in yunnan became ______bec
But much of the world’s water ____ from rivers and lakes.
Most of the water we use c____ from rivers,lakes and the atm
The sun is every hot.It shines on rivers,lakes and seas.It c
Many rivers and lakes are now dead
选择性完形填空The sun is very hot.It shines on rivers,lakes and sea
In winter,most of the rivers and lakes there are__.It become
They made the rivers dirty and lots of fish died.为什么fish后die
And in places where there are rivers and lakes
This cup has no c_____,and water gets dirty easily