Question

there is a piano in the classroom（改为一般疑问句并作否定回答there are some students in the library

there is a piano in the classroom（改为一般疑问句并作否定回答〕there are some students in the library〔改为否定句〕there are —four— basketballs in the box〔对划线部分提问〉

Answer 1

Is there a piano in the classroom?----No,there isn't.
There are no students in the library.
How many basketballs are there in the box.

Answer 2

1.There is no a piano in the music 用 no 改为否定句 2.How do 10.There is a chairs in the classroom 改为单数 11.There are some

Answer 3

Is there a piano in the classroom?
No, there aren't.

There aren't any students in the library.
There are no students in the library.

How many basketballs are there in the box?

Answer 4

Is there a piano in the classroom?

There aren't any students in the library.

How many basketball are there in the box?

Answer 5

补充一楼第一题！

1. Is there a piano in the classroom?
No, there isn't.

2. There aren't any students in the library.

3. How many basketballs are there in the box?