2015-2016学年人教版Book 3 Unit5Grammar
2015-2016学年人教版Book 3 Unit5Grammar第3页

1. Mr. Smith, our new teacher, is very kind to us. 2. Yesterday I met Tom, a friend of my brother’s. 3. He told me that his brother John is a world- famous doctor.

What does the underlined part serve as in each sentence?

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