Holding the keys in hand（把钥匙握在手上）,he looked for them everywhere.（hold）,这个我知道,但是改为被动语态的话,为什么是 the keys held in his hand,而不是 the keys being held in hie hand 这个being什么时候要什

Holding the keys in hand（把钥匙握在手上）,he looked for them everywhere.（hold）,这个我知道,但是改为被动语态的话,为什么是 the keys held in his hand,而不是 the keys being held in hie hand 这个being什么时候要什 your keys in the drawer. 这句哪错了 There are some keys in my bag.改同义句- - some keys in the bag! aer the keys in the lost and found i must have left the keys in the cofe. Are the keys in the drawer?(否定回答) the keys are in the bag 为什么用are the girl holding an umbrella in her hand keys your in pencil case the are ?连词成句 my keys are in the backpack.一般疑问句 can it be in the classroom____ you left your keys 连词成句.her,in,keys,the,are,schoolbag,(?) your keys in the schoolbag 哪错了 are his keys in the schoolbag作否定回答 ;your keys in the drawer'句中错在哪里 Their keys are in the schoolbag.（改为一般疑问句） where are his keys?用in the drawer回答 (3/3) keys are in the drawer 堤问