Can someone check my german please?

Answer:
Question 1. I think is A
Question 2 I think is D
Question 3 I think is C
Question 4 I dont know
And question 5 i think C
Explanation:
8. correct (gingen)
9. correct (lasen)
10. correct (sagte)
11. correct (lachten)
12. Ich wartete eine Stunde auf den Bus.