Jack is ()()() learn to ride a bike杰克足够高了,可以学骑自行车了

jack is ready ------ you ----- Enligh.A help,learn B to help ,learning C help ,learning D to help ,learn jack is the__(one)boy learn to dance in our class(填入适当形式) Jack is ()()() learn to ride a bike杰克足够高了,可以学骑自行车了 Jack is our monitor Why is Jack What is Jack? Jack is t_____in music is he jack? Is he Jack? In Jack GreenJack is a______name. This letter is .jack jack' he My name is Jack.（同义句）() () Jack.My name is Jack.（同义句）() () Jack. Today let is learn let is learn and jack learn to about wants signs more连词成句 His name is Jack London.Jack is his______ name? Jack is my n_____ friend Jack is playing ________ John.