Cover of the textbook Roadmap C1 - Workbook

The key answer of exercise 4

The key to exercise solutions in chapter 7B for the textbook Roadmap C1 - Workbook with authors Lindsay Warwick from Pearson Education

Question

Add a prepositions to each sentences.

Answer

  1. I got to work at ten, by which time I'd already missed two meetings.
  2. That's the woman I used to work for / with when I was at the hotel.
  3. I keep in touch with my old school friends, two of whom live close by.
  4. I've just read this article, according to which trees are all connected.
  5. They say there's a storm coming, In which case we think we should leave.
  6. Bill just told me there's a new email system about which no one had told me.