含定语从句 翻译1他考试没及格,这让他妈妈很伤心【which指代整句,非限制性定从】2她就是那个女孩,她父亲是我国著名科学家【whose】3 手机是一种能够帮助人们互相沟通的仪器【which/that】4 他有两个兄弟,对我们都很友好【both of whom】
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1.he failed the exam,which made his maother sad
2.she is a girl whose father is a well-known scientist in china
3.moble fhone is a set of instrument which can help people municate each other
4.he has two brothers,both of whom are friendly to us