they went to the great wall two years ago .用现在完成时改写.
问题描述:
they went to the great wall two years ago .用现在完成时改写.
答
They have been to the great wall. Till now, it has been two years. 你说的这个句子是过去式,强调的是过去的一个动作,而要改成完成时很怪,而完成时中不能出现具体的时间,因此只能放在两个句子中,望采纳啦~