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