1.The computer is not working__.Sometimes it doesn't work. 2.Trees and grass play an impo1.The computer is not working__.Sometimes it doesn't work.2.Trees and grass play an important part in__improve our environment.proper help选词填空
问题描述：
1.The computer is not working__.Sometimes it doesn't work. 2.Trees and grass play an impo
1.The computer is not working__.Sometimes it doesn't work.
2.Trees and grass play an important part in__improve our environment.
proper help
选词填空
答
1、properly
2、helping