Question

Есть ли ошибки в этих вопросах?
Если есть , то скажите, пожалуйста, какие и где? 

Answer 1

5) Did you read this summer?
6) Where did you spend  your vacation?
8) Did you go sightseeing?
9) Did you eat a lot of ice-cream?
10) Did you find new friends this summer?

Остальные вопросы грамматически правильные.

Answer 2

2 hov    -  how
3 Have you read any boooks this summer
6  Vacationing -     Where did you go for your last vacation?
Where are you going for vacation?
7 How often did you go shopping?
8 Did you go on a sightseeing tour?
9 Did you eat a lot of ice-cream?
10 have you started - вы начали, have you met - вы познакомились
Have you met new friends this summer?