Question

they're,going to the great wall,改为否定句

They are going to the Great Wall．（改成否定句）
They______to the Great Wall．

Answer 1

答案：aren't going．
陈述句中有be动词are，含有be动词，情态动词或者助动词have/has的句子转化成否定句时在其后面加上not，所以该陈述句变一般疑问句应在be动词are后面直接加not，缩写成aren't，故答案是 aren't going