1.Pass me the dictionary . I put it on the shelf 
2.Will you help me to do the exercises? I don't understand the exercises
3.We haven't met Mr.Smith yet. His daughter studies with Paul
4.We won't forget the day. We went to Big Bang's concert that day 
5.Peter has read the book. I recommended the book to him
6.They sent me a postcards of the hotel . They stayed there on holiday
7.This is my bestfriend. I met her at school ten years ago
8.Is this the man ? This man accused you of stealing his wallet
9.Peter made a lemon cake. It is his speciality
10.I want you to introduce you to Mrs. Black . Her husband is an engineer
viết lại câu sao cho nghĩa ko đổi bằng mệnh đề quan hệ . giúp mik vs ạ