Trees help ( ) ( 净化空气 )and( ) ( 给我们提供食物) like apples,bananas and oranges.
问题描述:
Trees help ( ) ( 净化空气 )and( ) ( 给我们提供食物) like apples,bananas and oranges.
完成句子
第二空
答
clean air and provide us foods
help sb.do sth.