This is ( )English book A.a B.an C./ 选什么

This is ( )English book A.a B.an C./ 选什么 what+is+this?+it's[+++++]english++book++A.a++B.an++C.two++D. This is a book ( )and book is new A.an B.a C.the D./ This is _____ book. And it is ____ English book. A．a, a B．an This is ______ useful book. A. a B. an C. the D/ I think this is ___ interesting book.A,an B,a C,the D,/ Mr L This is a book,It's an English book.What's this?急. 用a/an填空 1 Is it( )Chinese book or ( )English book?2 This is --It's a book.__ English book.A.A B.An C.The is ,an,book,english,this the book is very English 什么 A read B reading C to read D rea look at _ book,it's _____ english book.a.the.the b.an the c.