The watch is on the sofa对划线部分提问（on the sofa)
问题描述：
The watch is on the sofa对划线部分提问（on the sofa)
The keys are under the chair.该一般疑问句
Are the keys in your schoolbag做否定回答
答
1 Where is the watch?
2 Are the keys under the chair?
3 No ,they aren't