1-social media networks which you can use to promote your business are excellent tool

2-the pasta which has just opened in the high street from that Italian shop

3-I'll call the students who went to London with me last summer 

4-that's the hotel which we stayed for our honeymoon

5-i couldn't find the men whose i'd taken case by mistake

6-jenny phoned me who was in conference with my clients then yesterday

7-the tree which this drug is obtained from only grows in the rainforest

8-people who have a lot of leisure  time are often have very little money to spend on leisure

9-he who she is so angry with resual to tell her the truth is the reason

10-we haven't seen the friends who are coming to visit us this weekend for ten years