改成一般疑问句：1.They went to harbin by plane .2 i saw elephants last weekend .
问题描述：
改成一般疑问句：1.They went to harbin by plane .2 i saw elephants last weekend .
3.we took some pictures in changchun .4.he did his homework yesterday.5.i bought presents for me friend 6.we got back to nanjing by train .回答对了给分,20,不骗人
答
除了最后两个,其他都是对的.
最后两个的正确表达：
Did you buy presents for my friend?
Did you get back to nanjing by train?