_____ the city’s public school system should be open to the children of migrant workers has become the focus of discussion.

hildren, _________ parents are away working inbig cities, are taken good care of in the village

_________ I finish my homework now,mum–No,you _______.But you must finish it before seven o’clock.

The Red Cross is expected to send help there is human suffering .

Why was Professor Zhang unhappy recently？—Because the theory he insisted on _________ wrong.