Is this( )bike,jack?No,you can ask Tom.I think it is( )bike?

Is this( )bike,jack?No,you can ask Tom.I think it is( )bike? jack's bike is blue,so this yellow one () be hiscan't 还是couldn‘t 为什么 This letter is .jack jack' he This is _____(she)bike is this her bike.复数 This is my bike.(复数) he is the owner of this bike he ---- this bike 填空this is your bike that bike is --------- The _____ (服务) in this restaurant is very good.Jack has fallen off his bike;he is an ______ (不幸的) boy. This is her bike .( ) is over there Whose is this bike?Is( )( ),Jake This is Jack.(就Jack提问）谁快谁有最佳 疑问句中is this bike还原是this bike is还是this is bike,是哪个为什么 whose is this bike?改为同义句 whose bike is this 同义句 This is her bike.对her提问 This is a nice bike.改为感叹句 is this white bike yours?是什么意思?