He039;s just spoken to the manager, .....?A) hasn039;t he B) has

He's just spoken to the manager, .....?
A) hasn't he
B) has he
C) isn't he
They ...... a party. Now they are cleaning the room.
A) have
B) had
C) have had
They have been waiting for her .... 10 o'clock
A) since
B) for
C) at
Mr Smith is writing a book. He .... it since Christmas
A) is writing
B) has been writing
C) has written
Part 2. Correct the mistakes
1. It is something I want to tell you.
2. I wrote a letter to Alice's and Susan's grandfather
3. What is this policeman doing now?
4. What was she do when the telephone rang?
5. I wish I'll have a dog.