混凝土冬季施工规范:my sister is a student的同义句

My sister is who? my sister is a student的同义句 The girl which is reading a book under the tree is my sister.这句知错在哪儿 My sister is （ ）computers. A.in B.for. C.of Whose book is this,It’s _. My parents bought it for my sister and me.A. hers B. ours C. mine this is my big sister/this is my little brother如何翻译 A moment later,my sister _________(catch)up with me. A moment later,my sister _________(catch)up with me. A moment later,my sister _________(catch)up with me. 句子改错：The girl whom is dressed in red is my sister