3. A-1, B-3, C-3, D-4, E-6, F-2
5. 2)Have, 3) not yet, 4)yet, 5) never, 6)just
4. 2.Has Ally bought a book on whales yet?
No, she hasn’t bought it
3.Have Alex and Ally answered the letter to the magazine?
No, they haven’t answered the letter
4. Has Alex taken the recording of the whale song to Room 1
Yes, he’s just taken it