there is a lamp on the desk 改为一般疑问句

there is a lamp on the desk 改为一般疑问句 There is a lamp on the desk. There is a pencil on the desk?（改为一般疑问句并作肯定回答） there is a TV on the desk.变一般疑问句 There is a computer on the desk改成一般疑问句 there is a( book )on the desk 句型转化 改为否定句 一般疑问句 肯否回答 括号内提问 There is a pen and two books on the desk.改为一般疑问句后be该用单数还是复数? There are some candies on the desk(改为一般疑问句 There are some CDs on the desk 改为一般疑问句 there are some apples on the desk改为一般疑问句 .改为一般疑问句!there are some books on the desk There is a dictionary on Li is desk.（改为一般疑问句）