It traps dirt and other matter and keep insects out.

It traps dirt and other matter and keep insects out. spiders and other insects Yesterday they watched spiders and other insects ________. 100204:in a few instance,however,insects and other arthropod in a few instance,however,insects and other arthropods have 1.I read about it in some books or other,and does it matter We must keep our room clean,for dirt and disease go______,yo We must keep our room clean, for dirt and disease go______, Otherwise we will keep it and contact you if other vacancy a keep it safe and simple take the fear out of tests and keep you on top of it 智力测试What is black when it is clean and white when it is dirt