a closed book an open book on the books black book 要有权威性的,

a closed book an open book on the books black book 要有权威性的, ( )useful book a/an an useful book还是a usefull book? i'm a closed book 是注册NETLOG里面有一项叫“Sexual preferences”的选项 a closed book的意思是something who doesn't know的意思吗? There is a interesting book.还是an interesting book? 是an English book还是a English book It's____English book,not_____Chinese book用a/an填空ji It's____English book,not_____Chinese book 用a/an填空 是an English book还是a English book? 求解 这个英语句型怎么造句a cloed book to sb打错一个单词 是closed 是an useful book还是a useful book 加a 或者an 主要看什么 it is an interesting book 变感叹句是how interesting an book 还是 how interesting a book? He has an interesting book 如果interesting做啦定语 那an book不是要改成a book吗 He has an interesting book 如果interesting做啦定语 那an book不是要改成a book吗 what ------- interest book!A ; a B ；an求高手 This is a book ( )and book is new A.an B.a C.the D./ --It's a book.__ English book.A.A B.An C.The