Finally, you must r( ) to keep the rivers and lakes clean.
初二英语单词拼写We must keep lakes and r________ clean.Don't throw a
You must keep the bedroom ______(clean)
You must keep ( ) clean and tidy.a.they b.them c.their d.the
英语:keep用法1.We must keep the classroom .A.clean B.to clean C.
we must keep the classroom______- A.clean B.to clean C.clean
to the classroom clean ,you must clean it everday
Water ______ in seas, rivers and lakes.
Many rivers and lakes are now dead
In places where there are rivers and lakes,where there are r
you must keep your classroom A.clean B.cleaning C.to clean D
you must keep your jacket ()A.clean B.cleans C.to clean D.cl
The water in the lakes and rivers in Yunnan be-came______bec