they are their computer.单数 this is my watch.复数 whose teacher are these?they are ours.单数ls this your pencil?yes,it is.复数

are they { }their homework? They are their cameras.对their提问 They are angry . their friends. Are they saying( )( )( )their teacher? They are not ( ) for their They are their cameras是什么意思? They are visiting their friends .they They are talking about their group p_____. They are their rulers.改为一般疑问句 They are their apples（画线提问) Are those apple?No,[they these their] They are all their friends的意思? they are their erasers 改为一般疑问句 ______(their)are ____(they)books. They are their pants 同义句 Are they their books?意思是什么 3.They are all sitting ----their seats. They are talking ( ) their parents ( ) their birthday party.