present perfect simple or continuous

Hallo, ich würde gerne wissen ob ich das richtig gemacht habe.

Answer the questions using a sentence in the present perfect simple or continuous.

1.
Why is your hair wet?
Antwort: Because i´ve washed my hair.

2. Why is katrin carrying those shopping bags full of food?
Antwort: She was shopping earlier.

3.Why are your hands dirty?
Antwort: I have just played in the dirt.

4.Why is my coffee cup empty
Antwort: Because you drink too fast.

5. Where´s bob?
Antwort: In the pub next door.

6. Why is it so cold in this room?
Antwort:Because the heating is broken.

7.Why havent we got any bread?
Antwort: Because your brother has eaten everything.

8. Why is the train late?
Antwort: The train had to be repaired.

hoffe ich habe nicht zu viele fehler gemacht