The mask is over there,under the table.

The mask is over there,under the table. There is a mask under the chair.Is it yours?Oh,yes,it's ( ). under the teacher\'s table there is a ball there is something under the table 为什么要用something there is a black cat under the table.提问 who's hat is on the table over there? the box is under the table there is a cat under the table.it is eating food there.(合并为一 who is the boy over there under the tree he is the one _____ what is under the table?There is a cat.那什么时候用It is a cat. There is __ under the table and there are some __o Move the table over there怎么改