What is wrong with your arm?同意句转换What is ______ ______ with your arm?
问题描述：
What is wrong with your arm?同意句转换
What is ______ ______ with your arm?
答
what's the matter或what‘s up或what's the trouble或what's the problem
答
what is the matter with your arm?
答
the problem /matter
答
What is the matter with your arm?