I am from China变否定句 They are from Japen 用Japen提问

I am from China变否定句 They are from Japen 用Japen提问 They are from (Japen)括号里的提问 把句子改为否定句和一般疑问句：I am Mike.They are from china. They are from China改为否定句是()()from China Japen .2.A _____ are from the United States. I am from China 改为否定句 My uncle (just come)back from Japen l am from China.(变否定句） 将I am from China变为否定句 My friend（from Japen）is good at English.(对括号部分提问). i am from america变否定,变一般疑问句,变肯定否定回答,提问 they are from america(变否定句）