Cover of the textbook Identity B1+

The key answer of exercise 6

The key to exercise solutions in chapter Summative revision 2-3 for the textbook Identity B1+ with authors Elizabeth Sharman from Oxford University Press

Question

Choose the correct alternative.

Answer

  1. I (A) 've written ten emails this morning.
  2. How long have you (A) known the truth?
  3. Hello, Kate. What have you (B) been doing since the weekend?
  4. Have you (A) finished your homework yet?
  5. I (B) 've been standing here for an hour and I'm very tired!
  6. I don't think that you've (B) been listening to me!