Question

the Past simple or the Present perfect. 

 I........ (already\to finish) my homework and I can write you a letter about my hobbies. 
last month  I ............. (take) part in school competition for young readers. 
I ....... (to win) the first prize. I like reading fantasy stories. I ........(just \to finish) a novel The Hobbit by Tolkien ........... you .........( to read) it? 
I ........(to join) the School Theatre recently. 
Yeasterday my parents and i ......(to go) to the theatre. 

Answer 1

1. I have already finished, 2 I took 3 I won 4 have just finished 5??? 6 I have joined 7 went

Answer 2

I have already finished my homework and I can write you a letter about my hobbies. 
Last month  I took part in school competition for young readers. I won the first prize.
I like reading fantasy stories. I have just finished a novel The Hobbit by Tolkien.  Have you read it? 
I have joined the School Theatre recently. 
Yesterday my parents and I went to the theatre.