His book is on the desk.(改为一般疑问句）These are English books.(改为单数句）Where are my pencils?＿ ＿in your pencil box.（将答语补充完整）IS the baseball under your chair?(作否定句回答）
问题描述：
His book is on the desk.(改为一般疑问句）
These are English books.(改为单数句）
Where are my pencils?＿ ＿in your pencil box.（将答语补充完整）
IS the baseball under your chair?(作否定句回答）
答
is his book on the desk?
this is an english book
they r
no, it isn't
答
Is his book on the desk？
This is an English book.
They are in your pencil box.
No,it isn't.
答
你好;
1 Is his book on the desk?
2 This is an English book.
3 ( They ) ( are ) in your pencil box.
4 No, it isn't.
答
Is his book on the desk?
There is an English book.
They are
No,it isn't.
望采纳！~