Помогите сделать задание!! Complete the sentences. Use the Present Perfect...

Question

Помогите сделать задание!! Complete the sentences. Use the Present Perfect (have/has+Ved/V3) 1.I can't phone my friend, because (I / lose /his/ phone/ number) 2. He can't play, because (he/ not clean/ his/ room) 3.She is hungry, because (her mum/ not cook/ dinner) 4)He is happy, because (his friend/ send/ an /e-mail).

Answer 1

1.I can't phone my friend,because I've lost his phone number.
2.He can't play,because he hasn't cleaned his room. 
3.She is hungry,because her mum hasn't cooked dinner. 
4.He is happy,because his friend has sent an e-mail.