there is a computer on my desk 和this is a computer on my nde

there is a computer on my desk 和this is a computer on my nde There is a computer on my desk.一般疑问句 There is a computer game on the desk 改为复数 There is a computer on the desk改成一般疑问句 Is there a computer on your desk?做否定回答 is computer there on desk the a .连词成句 There _______a computer on the desk.A.is B.have There is a computer in my desk.（用this evening来改写） This is my bedroom.there is a desk ( ) it.On the ( )there is This is my bedroom.There is a desk ___it.On the __there is a there is a computer on a table there is the computer on a table