his keys are under the book的一般疑问句是?以及做题的思路?

his keys are under the book的一般疑问句是?以及做题的思路? my keys are under the book(改为一般疑问句） His keys are on the bed.改为一般疑问句. under,the,keys,my,are,book怎么组成一个句子? the keys are on the sofa 改为一般疑问句 并做否定回答 The keys are on the desk（改为一般疑问句） the keys are on the table改一般疑问句 1:The keys are on the dresser?(改一般疑问句) his keys are (on the table) 对括号的提问 this is his green pen 改为一般疑问句 those are her keys 改为一般疑问句 Their keys are in the schoolbag.（改为一般疑问句） There are two keys on the desk?(改一般疑问句)