I found this book (help)yesterday,要用help的什么形式

I found this story book very--and it was very cheap too 横线上填什么? I found this book (help)yesterday,要用help的什么形式 英语翻译I found this book in the school library ____ ____ ____.(by chance)有三个空,难办了. I found this book when Icame to the classroom.It must must have been left by one the students May I ------(take)this book I write this book ( ) chinese iWhen I went school this morning,I found I _______ my Chinese book at homeA.forget B.forgot C.left D.leave can found 还是can findI can found my book. 还是I can find my book I bought you this book?对this book提问 I was looking for a book this morning.I'ver found it now变成定语从句.变成I've found the book which I was looking for this morning.有没有错?还是必须去掉this morning.如果去到,为什么? I hope you have found this useful this i book is minethis( i ）book is mine 英语高手进Is this book very difficult?---Is this book very difficult?---No.In fact i have found it easy---A.to be read B.reading C.to read it D.for us reading the book,that I found on my way home I found a book on the desk .的各个句子成分 book.i.a.the.on.desk.found 连词成句 where did you find my pen?______was in the book on your deskthat i found ita.there b.this c.that d.it 原因~ 同义句转换 I found the book was interesting → I （ ）the book （ ）