Traditional folk arts of Tianjin like paper cutting    at the culture show. 

We all think we are tired after the long work. Let，s stop      a rest.

Our school had about 20 notebook computers but only one-forth_____used regularly. Now we have 50 working all day long.

Not only the workers but also the machine ____  not there.

 --- What is Nancy doing now?--- She, with her parents,           some shopping.