Riley13Day 3. No, I`m afraid, I forgot
4. Where did you get it?
5. ...but I didn`t speak to her.
6. Did you have a nice weekend?
7. so he didn`t go to work
8. Where did Robert live..?
9. The meal did not cost very much (не меняется, ибо неправильный глагол)

shah52 3. I forgot
4.did you get
5.i did not speak to her
6.Did you have
7. he did not go
8. she arrived
9.did Robert live
10. the meal did not cost