my keys is( in the bookcase?)对划线部分提问,括号里的提问.

问题描述:

my keys is( in the bookcase?)对划线部分提问,括号里的提问.

原题有问题,应该是My keys are (in the bookcase).
应这样提问:Where are your keys?

Where are your keys?

顺便说下,keys 是复数,题中用is 错误!

is my keys in the bookcase?
是这个意思?

where is your key?