Yesterday ,my sister ____(tear) my Chinese book up by mistak

Yesterday ,my sister ____(tear) my Chinese book up by mistak yesterday my sister-----------（tear）my chinese book up by mi He gave my sister ____ useful book yesterday.A.an B.a C.X yesterday i ( )my book my sister lisa ( ) busy yesterday My sister studied hard yesterday. Yesterday my sister bought ____ the one your sister bought l My favorite book was ( ) yesterday 我在做英语习题时发现有个题叫：He gave my sister ( ) English book yesterday. 'My watch was broken by my sister." yesterday I put Mary's English book in my bag by ( ).填空 把汉译带 My sister has already lent a book from the library.____错,改为_