My father _____(read)this book since yesterday.空上填什么时态?为什么?

My father _____(read)this book since yesterday.空上填什么时态?为什么? My sister _____ (not read)this book before 填什么 i have read this book .____ _____ my father(我爸爸也是） 英语时态题have you finished _____(read)this book? 请问这里用什么时态,为什么?How long ____ your aunt _____(keep) this book? 用适当时态填空1.I____(lost) my watch yesterday.2.My father _____(re My brother _____ a book yesterday evening.A.read B.reads C.r May I _____ (read) this book? he must have read this book yesterday?反问? he must have read this book yesterday用完成? My friend read a book 改成一般现在时态 This book is a little hard _____ read something easier?