ممكن الحل ؟مادة قراءات ومطالعات
... differ....
The cases of indoor air pollution _________( ) from area . one reason for
the ______ ( ) is that people hear thir homes _______ ( ) . people in some
areas burn wood for hear , in other areas, they use something ______ ( ) . i
لو سمحتوا ابغى الحل 
التعديل الأخير تم بواسطة l-kitty-l ; 2012- 12- 7 الساعة 01:25 PM
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