There's a book under the desk.还有There’s a tow balls behind t

There's a book under the desk.还有There’s a tow balls behind t There is a ball under the desk.对a ball 提问 These are balls un There are three [s ]under the tree.there【s】 a fantastic book there's something behind the book There is a new t------ ------under the desk there 's a ball under the What's under the desk?回答：(A.)It'sXXX (B.)There'sXXX 对划线部分提问 Behind the door there's a book -------- ---------the There's a desk and o___ the desk.首字母填空 There are some balls on the teacher's desk(对some balls 提问） There's a book on the desk变一般疑问句并作肯定回答 there's a video t_____on the teacher's desk.