你可以出个GRE题目哦。 Review the pictures showing a ghetto in South Africa. Pay special attention to the ethnic group represented. What do they tell you about the ultimate goal of our US green card application? A We want a green card for our own benefit B We want a green card for the benefit of our children and grandchildren C We want a green card to satisfy our Z-turn desire D The US may end up like the ghetto in the pictures one day, and we should not apply for a US green card any more E The pictures h