1.Help___people around the nerghborhood-do some cleaning for them,or just help them___their stairs.首先 这题是填空题``.你是否应该知道.

1.Help___people around the nerghborhood-do some cleaning for them,or just help them___their stairs.首先 这题是填空题``.你是否应该知道.
1.Help___people around the nerghborhood-do some cleaning for them,or just help them___their stairs.
首先
这题是填空题``.你是否应该知道.

1.Help___people around the nerghborhood-do some cleaning for them,or just help them___their stairs.首先 这题是填空题``.你是否应该知道.
帮助周围的邻居打扫卫生,或者只是帮他们扫楼梯.