yesterday my sister-----------（tear）my chinese book up by mi

yesterday my sister-----------（tear）my chinese book up by mi Yesterday ,my sister ____(tear) my Chinese book up by mistak yesterday i ( )my book My sister was（） ill yesterday my sister lisa ( ) busy yesterday My sister studied hard yesterday. My favorite book was ( ) yesterday He gave my sister ____ useful book yesterday.A.an B.a C.X 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." My sister wants comes book.（改为否定句） My sister usually goes to work by taxi（改为同义句） My sister usua