The key to exercise solutions in chapter 9 - Grammar 1 for the textbook Gateway B2 - Workbook with authors Frances Treloar and Gill Holley from Macmillan Education
Question
Write the sentences again with defining relative clauses.
Answer
That's the shop where I bought my jacket.
There is a button on the side of the phone (which) you need to press.
That was the moment (when) I knew I wanted to be a doctor.
The people in my class whose exam results were good had revised very hard.
It would be good if someone invented something that would cure the common cold.