— What does Mary do?    — Her job ________ helping old people who live alone.

 The anti-government army ____the entrance with big stones in order to stop the government army marching in.

 My uncle’s house is much smaller than ours, but it is twice         expensive.

--- ____ busy schoolwork, the children also have to take arts, music andsports classes in their free time.--- I wonder what they will become.

If parents have children help with housework, the children will feel needed. ______, they will learn to take care of themselves.