a book is {}the pencil and the pen.空里填什么?

What is your brother doing?He is writting ___.A by a pencilB with penC in a paperD in a book put the ( )in the penc-case The ( )is on the desk 重新排序,组成对话 A.Oh,yes,it is.It's in the book.Thank you.B.No,it isn't in my pencil case.c.That's all right.D.Excuse me,where is my ruler?Do you know?E.No,I can't see it.F.Is it in your math book?G.Oh ,sorry,I dan't know.Is it in your penc the book is a hit put the ( )in the penc-case This is ( )as the one you bought yesterdayA.such a good penB.as a good penC.so a good penD.as good a pen麻烦说明下选择的理由, Is the girl reading a book? is there a book on the desk? Is there a book in the desk? The book is a b_____ of knowledge. There is a book no the a book on the table 没有is 英语问题Is there a book on the table?Yes ,there is .Is the book red No one knows( )A.where is the book B.where the book is C.the book is where D.the book where is A book is on the desk和On the desk is a book是否一样? There is a book on the table.对画线部分(is)提问提问is a book This is a book ( )and book is new A.an B.a C.the D./ The book you gave me is interesting.改为简单句是不是A book is interesting.You gave me the book